In the expansion of `(x+y)^(n),T_(r+1)`= __________

In the expansion of `(x+y)^(n),T_(r+1)`= __________
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In the expansion of `(x+y)^(n),T_(r+1)`= __________
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Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, y beta))(rarr ._(82)Pb^(206))` `t_(1//2)`

Description : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, y beta))(rarr ._(82)Pb^(206))` `t_(1//2)`

Last Answer : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha ... 2.303)/(4.5 xx 10^(9)) xx 0.693 log 4`

Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, y beta))(rarr ._(82)Pb^(206))` `t_(1//2)`

Description : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, y beta))(rarr ._(82)Pb^(206))` `t_(1//2)`

Last Answer : Uranium `._(92)U^(238)` decayed to `._(82)Pb^(206)`. They decay process is `._(92)U^(238) underset((x alpha, ... be A. 5.25 B. 0.125 C. 12.5 D. 1.25

If the relation between time of decay (t) and half life period `(t_(1//2))` is `(t = 4 t_(1//2))`, the relation between r and mean life (T) is:

Description : If the relation between time of decay (t) and half life period `(t_(1//2))` is `(t = 4 t_(1//2))`, the relation between r and mean life (T) is:

Last Answer : If the relation between time of decay (t) and half life period `(t_(1//2))` is `(t = 4 t_(1//2))`, the ... `27^(4)` In 2 C. 4 T In 2 D. 2T In 2

In the formula `t_(n)=(1)/(a+(n-1)d)`, how many auxiliary formulae are possible ad what are they?

Description : In the formula `t_(n)=(1)/(a+(n-1)d)`, how many auxiliary formulae are possible ad what are they?

Last Answer : In the formula `t_(n)=(1)/(a+(n-1)d)`, how many auxiliary formulae are possible ad what are they?

If `""^(12)C_(r)(4)^(12-r)(x)^(12-3r)` is a contant term in an expansion, then r = __________

Description : If `""^(12)C_(r)(4)^(12-r)(x)^(12-3r)` is a contant term in an expansion, then r = __________

Last Answer : If `""^(12)C_(r)(4)^(12-r)(x)^(12-3r)` is a contant term in an expansion, then r = __________

In the expansion of various power of `(x+y)^(n)` if the expansion contains 49 times, then it is the expansion of ___________

Description : In the expansion of various power of `(x+y)^(n)` if the expansion contains 49 times, then it is the expansion of ___________

Last Answer : In the expansion of various power of `(x+y)^(n)` if the expansion contains 49 times, then it is the expansion of ___________

In the expansion of `(x+y)^(n)` , if the exponent of x in second term is 10, what is the exponent of y in 11th term.

Description : In the expansion of `(x+y)^(n)` , if the exponent of x in second term is 10, what is the exponent of y in 11th term.

Last Answer : In the expansion of `(x+y)^(n)` , if the exponent of x in second term is 10, what is the exponent of y in 11th term.

As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),((b),"Visconsity decrease",T_(2)),((c),"

Description : As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),((b),"Visconsity decrease",T_(2)),((c),"

Last Answer : As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),(( ... T_(3) lt T_(4) lt T_(1) lt T_(2)`

As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),((b),"Visconsity decrease",T_(2)),((c),"

Description : As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),((b),"Visconsity decrease",T_(2)),((c),"

Last Answer : As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),(( ... T_(3) lt T_(4) lt T_(1) lt T_(2)`

Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ?

Description : Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ?

Last Answer : Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ? A ... D. `[Co(NH_(3))_(6)]^(2+)`

All the metal ions contain `t_(2g)^(6)e_(g)^(0)` configuaration. Which of the following complex will be paramagnetic ?

Description : All the metal ions contain `t_(2g)^(6)e_(g)^(0)` configuaration. Which of the following complex will be paramagnetic ?

Last Answer : All the metal ions contain `t_(2g)^(6)e_(g)^(0)` configuaration. Which of the following complex will be paramagnetic ? ... `[Fe(CN)_(5)(O_(2))]^(-5)`

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// ... `tau = (t_(1//2))/(0.693)`

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process ... on the amount of element not yet decayed

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1 ... B. 53 yrs C. 530 yrs D. 5300 yrs

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay ... exponentially C. parabolically D. all of these

Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Description : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay process are `tau = 1// lambda` and `t_(1//2) = 0.693//lamb

Last Answer : Radioactive decay follows first-order kinetic. The mean life and half-life of nuclear decay ... lambda` depend on the nature of radioactive element

The `t_(1//2)` of a radionuclide is 8 hours. Starting with 40 g of the isotope, the amount in gm remainig after one day will be:

Description : The `t_(1//2)` of a radionuclide is 8 hours. Starting with 40 g of the isotope, the amount in gm remainig after one day will be:

Last Answer : The `t_(1//2)` of a radionuclide is 8 hours. Starting with 40 g of the isotope, the amount in gm remainig after one day will be:

Radioactive material is deacign with `t_(1//2) = 30` days on being, separated into two fractions , one of the fracation, immediately after separation

Description : Radioactive material is deacign with `t_(1//2) = 30` days on being, separated into two fractions , one of the fracation, immediately after separation

Last Answer : Radioactive material is deacign with `t_(1//2) = 30` days on being, separated into two fractions , one of the ... D. decay with `t_(1//2) = 28` days

A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_(alpha) = 5.77 MeV`. Find the recoil velocity of a daughter nuc

Description : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_(alpha) = 5.77 MeV`. Find the recoil velocity of a daughter nuc

Last Answer : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_( ... accounted for by the recoil energy of daughter nucleus ?

Assertion : Current versus potential difference (i-V) graph for a conductor at two different temperatures `T_(1)` and `T_(2)` is shown in figure. Henc

Description : Assertion : Current versus potential difference (i-V) graph for a conductor at two different temperatures `T_(1)` and `T_(2)` is shown in figure. Henc

Last Answer : Assertion : Current versus potential difference (i-V) graph for a conductor at two different ... If Assertion is false but Reason is true.

The current (I) and voltage (V) graphs for a given metallic wire at two different temperature `(T_(1))` and `(T_(2))` are shown in fig. It is conclude

Description : The current (I) and voltage (V) graphs for a given metallic wire at two different temperature `(T_(1))` and `(T_(2))` are shown in fig. It is conclude

Last Answer : The current (I) and voltage (V) graphs for a given metallic wire at two different temperature `(T_(1))` and `(T_( ... `T_(1)=T_(2)` D. `T_(1)gt2T_(2)`

A capacitor in an LC oscillation has a maximum potential difference of 1.5 and a maximum energy `360muJ`. At a certain instant `t=t_(0)`, the potentia

Description : A capacitor in an LC oscillation has a maximum potential difference of 1.5 and a maximum energy `360muJ`. At a certain instant `t=t_(0)`, the potentia

Last Answer : A capacitor in an LC oscillation has a maximum potential difference of 1.5 and a maximum energy `360muJ`. ... is 5 volt D. The value of V is 10volt

If n is a positive integer, then the number of terms in the expansion of `(x+a)^n` is

Description : If n is a positive integer, then the number of terms in the expansion of `(x+a)^n` is

Last Answer : If n is a positive integer, then the number of terms in the expansion of `(x+a)^n` is

Let R be a relation on the set N, defined by {(x, y) : 2x – y = 10} then R is -Maths 9th

Description : Let R be a relation on the set N, defined by {(x, y) : 2x – y = 10} then R is -Maths 9th

Last Answer : (a) ReflexiveGiven, {(\(x\), y) : 2\(x\) – y = 10} Reflexive, \(x\) R \(x\) = 2\(x\) – \(x\) = 10 ⇒ \(x\) = 10 ⇒ y = 10 ∴ Point (10, 10) ∈ N ⇒ R is reflexive.

If a relation `R` on the set `N` of natural numbers is defined as `(x,y)hArrx^(2)-4xy+3y^(2)=0,Aax,yepsilonN`. Then the relation `R` is

Description : If a relation `R` on the set `N` of natural numbers is defined as `(x,y)hArrx^(2)-4xy+3y^(2)=0,Aax,yepsilonN`. Then the relation `R` is

Last Answer : If a relation `R` on the set `N` of natural numbers is defined as `(x,y)hArrx^(2) ... symmetric B. reflexive C. transitive D. an equivalence relation.

The number of irrational term s in the expansion of `(x^(2//3)+y^(1//4))^(81)` is ___________

Description : The number of irrational term s in the expansion of `(x^(2//3)+y^(1//4))^(81)` is ___________

Last Answer : The number of irrational term s in the expansion of `(x^(2//3)+y^(1//4))^(81)` is ___________ A. 70 B. 12 C. 75 D. 13

A bimetallic strip commonly found in home furnace thermostats works because of the difference in this property of the two metals. Is it: w) thermal shock x) thermal conductivity y) thermal expansion z) thermal diffusivity

Description : A bimetallic strip commonly found in home furnace thermostats works because of the difference in this property of the two metals. Is it: w) thermal shock x) thermal conductivity y) thermal expansion z) thermal diffusivity

Last Answer : ANSWER: Y -- THERMAL EXPANSION

The sum of products expansion for the function F(x, y, z) = (x + y)z’ is given as (A) x’y’z + xyz’ + x’yz’ (B) xyz + xyz’ + xy’z’ (C) xy’z’ + x’y’z’ + xyz’ (D) xyz’ + xy’z’ + x’yz’

Description : The sum of products expansion for the function F(x, y, z) = (x + y)z’ is given as (A) x’y’z + xyz’ + x’yz’ (B) xyz + xyz’ + xy’z’ (C) xy’z’ + x’y’z’ + xyz’ (D) xyz’ + xy’z’ + x’yz’

Last Answer : (D) xyz’ + xy’z’ + x’yz’ Explanation: Use Boolean identities to expand the product and simplify. F(x, y, z)=(x + y)z’  =xz’+yz’ Distributive law  =x1z’+1yz’ Identity law  =x(y+y’)z’+(x+x’)yz’ Unit property =xyz’+xy’z’+xyz’+x’yz’ Distributive law  =xyz’+xy’z’+x’yz’ Idempotent law 

The coefficient of x in the expansion of `(2x+3)^(5)` is __________

Description : The coefficient of x in the expansion of `(2x+3)^(5)` is __________

Last Answer : The coefficient of x in the expansion of `(2x+3)^(5)` is __________

Which law emphasised the importance of continuous development and expansion of export oriented production? A. Export policy resolution 1970 B. M.R.T.P. C. I.R.D.A. D. Company Act

Description : Which law emphasised the importance of continuous development and expansion of export oriented production? A. Export policy resolution 1970 B. M.R.T.P. C. I.R.D.A. D. Company Act

Last Answer : A. Export policy resolution 1970

The value of n = 1 in the polytropic process indicates it to be  (a) reversible process  (b) isothermal process  (c) adiabatic process  (d) irreversible process  (e) free expansion process.

Description : The value of n = 1 in the polytropic process indicates it to be  (a) reversible process  (b) isothermal process  (c) adiabatic process  (d) irreversible process  (e) free expansion process.

Last Answer : Answer : b

Which of the following rivers lies in a rift valley? (a) Luni (b) Chambal (c) Son (d) Tapi Fun d amen t al MCQs In d i a n Ge o g r a ph y shop.ssbcrack.com

Description : Which of the following rivers lies in a rift valley? (a) Luni (b) Chambal (c) Son (d) Tapi Fun d amen t al MCQs In d i a n Ge o g r a ph y shop.ssbcrack.com

Last Answer : Ans: (d)

Which one of the following statements in not correct? [CDS 2003] (a) India is the highest oil-seeds and vegetable oil producing country in the world (b) India is the second largest exporter of jute goods in the world In d ian Ag r ic u l t u r ea n d An i ma l H u s ba n d r y (c) India is the largest producer of silk in world (d) India is the second largest producer of three-wheeler motor vehicles in the world

Description : Which one of the following statements in not correct? [CDS 2003] (a) India is the highest oil-seeds and vegetable oil producing country in the world (b) India is the second largest exporter of ... silk in world (d) India is the second largest producer of three-wheeler motor vehicles in the world

Last Answer : Ans: (c)

. In a kernel configuration feature, . if ……………...is selected, the dynamically loadable module is loaded the first time a call is made to the kernel that requires the module. A. "m" B. "Y" C. "n" D. "r"

Description : . In a kernel configuration feature, . if ……………...is selected, the dynamically loadable module is loaded the first time a call is made to the kernel that requires the module. A. "m" B. "Y" C. "n" D. "r"

Last Answer : A. "m"

If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is (A) n + y + r = 1 (B) n + y = r(C) n + r = y(D) y + r = n

Description : If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is (A) n + y + r = 1 (B) n + y = r (C) n + r = y (D) y + r = n

Last Answer : (D) y + r = n

For calculating the allowable stress of long columns. The empirical formula 0 y/n) (1 - a l/r), is known as (A) Straight line formula (B) Parabolic formula (C) Perry's formula (D) Rankine's formula

Description : For calculating the allowable stress of long columns. The empirical formula 0 y/n) (1 - a l/r), is  known as  (A) Straight line formula  (B) Parabolic formula  (C) Perry's formula  (D) Rankine's formula 

Last Answer : (A) Straight line formula 

For calculating the allowable stress of long columns 0 y/n [1 - a (1/r)²]is the empirical formula, known as (A) Straight line formula (B) Parabolic formula (C) Perry's formula (D) Rankine's formula

Description : For calculating the allowable stress of long columns 0 y/n [1 - a (1/r)²]is the empirical formula,  known as  (A) Straight line formula  (B) Parabolic formula  (C) Perry's formula  (D) Rankine's formula 

Last Answer : (B) Parabolic formula 

Write the coefficient of y in the expansion of (5-y) to the whole square. -Maths 9th

Description : Write the coefficient of y in the expansion of (5-y) to the whole square. -Maths 9th

Last Answer : Solution :-

The coefficient of `y^(7)` in the expansion of `(y+z)^(7)` is ____________

Description : The coefficient of `y^(7)` in the expansion of `(y+z)^(7)` is ____________

Last Answer : The coefficient of `y^(7)` in the expansion of `(y+z)^(7)` is ____________

A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel

Description : A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel

Last Answer : (C) Invar

Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. (A) Copper (B) Copper alloys (C) Stainless steel (D) Monel

Description : Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. (A) Copper (B) Copper alloys (C) Stainless steel (D) Monel

Last Answer : (C) Stainless steel

The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement. (A) Brass for low (B) Nickel alloys for high (C) Both 'a' & 'b' (D) Aluminium for all

Description : The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement. (A) Brass for low (B) Nickel alloys for high (C) Both 'a' & 'b' (D) Aluminium for all

Last Answer : (C) Both 'a' & 'b'

Tube expansion allowances exist in __________ heat exchanger. (A) Multipass fixed tube sheet (B) U-tube (C) Single pass fixed tube sheet (D) None of these

Description : Tube expansion allowances exist in __________ heat exchanger. (A) Multipass fixed tube sheet (B) U-tube (C) Single pass fixed tube sheet (D) None of these

Last Answer : (B) U-tube

Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance. (A) Flint (B) Soda (C) Pyrex (D) Potash

Description : Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance. (A) Flint (B) Soda (C) Pyrex (D) Potash

Last Answer : (C) Pyrex

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture. (A) CaO (B) MnO2 (C) ZnO (D) FeS

Description : Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture. (A) CaO (B) MnO2 (C) ZnO (D) FeS

Last Answer : (C) ZnO

__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. (A) Pyrex (B) Soda lime (C) Lead (D) High silica

Description : __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. (A) Pyrex (B) Soda lime (C) Lead (D) High silica

Last Answer : (A) Pyrex

The expression, nCv(T2- T1), is for the __________ of an ideal gas. (A) Work done under adiabatic condition (B) Co-efficient of thermal expansion (C) Compressibility (D) None of these

Description : The expression, nCv(T2- T1), is for the __________ of an ideal gas. (A) Work done under adiabatic condition (B) Co-efficient of thermal expansion (C) Compressibility (D) None of these

Last Answer : (A) Work done under adiabatic condition

Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature. (A) Below (B) At (C) Above (D) Either 'b' or 'c'

Description : Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature. (A) Below (B) At (C) Above (D) Either 'b' or 'c'

Last Answer : A) Below

In case of an __________ process, the temperature of the system increases. (A) Isothermal compression (B) Isothermal expansion (C) Adiabatic expansion (D) Adiabatic compression

Description : In case of an __________ process, the temperature of the system increases. (A) Isothermal compression (B) Isothermal expansion (C) Adiabatic expansion (D) Adiabatic compression

Last Answer : (D) Adiabatic compression

In __________ process, there is an increase in entropy with no degradation of energy. (A) Isothermal expansion (B) Isochoric heat addition (C) Polytropic expansion (D) Isobaric heat addition

Description : In __________ process, there is an increase in entropy with no degradation of energy. (A) Isothermal expansion (B) Isochoric heat addition (C) Polytropic expansion (D) Isobaric heat addition

Last Answer : (A) Isothermal expansion