Description : Which is more powerful- atomic bomb or hydrogen bomb? why?
Last Answer : They are both atomic bombs, and the hydrogen bomb is more powerful, because more energy is released during fusion than fission.
Description : Assertion (A). Industrial policy 1991 initiated liberalisation of Indian economy. Reason (R). Industrial growth was very slow before 1991. A. Both (A) and (R) are true and (R) is the correct explanation of (A). B. Both (A) ... A). C. (A) is true but (R) is false. D. (A) is false but (R) is true.
Last Answer : A. Both (A) and (R) are true and (R) is the correct explanation of (A). B. Both
Description : Hydrogen bomb is based upon the principle of ______. (1) Nuclear fission (2) Nuclear fusion (3) Controller nuclear reaction (4) None of these
Last Answer : (2) Nuclear fusion Explanation: The hydrogen bomb eventually relies upon atomic fusion (adding to the atomic nucleus) to release energy. Nuclear fusion is a nuclear reaction in which two or more atomic nuclei ... and then collide at a very high speed and join to form a new type of atomic nucleus.
Description : Hydrogen bomb is based on the principle of – (1) controlled fission reaction (2) uncontrolled fission reaction (3) controlled fusion reaction (4) uncontrolled fusion reaction
Last Answer : (4) uncontrolled fusion reaction Explanation: A thermonuclear weapon is a nuclear weapon design that uses the heat generated by a fission bomb to compress a nuclear fusion stage which indirectly ... the majority of its destructive energy comes from uranium fission, not hydrogen fusion by itself.
Description : Hydrogen bomb is based on the principle of (1) controlled fission reaction (2) uncontrolled fission reaction (3) controlled fusion reaction (4) uncontrolled fusion reaction
Last Answer : uncontrolled fusion reaction
Description : The phenomenon occurring during explosion of a hydrogen bomb is (A) Nuclear fission (B) Nuclear fusion (C) A combination of both nuclear fission & fusion (D) None of these
Last Answer : C) A combination of both nuclear fission & fusion
Description : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo
Last Answer : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R ... R is false D. A is false but R is true
Description : What Processes depend on fusion Check all that apply. A.energy production in the sun B.energy production in nuclear reactors C.the hydrogen bomb D.energy production from fuel cells?
Last Answer : It's A and C. The sun and most other stars are fusion reaction engines, and hydrogen bomb (perhaps more properly a fusion nuclear weapon) apply nuclear fusion to do what they do.
Last Answer : Need answer
Description : Hydrogen bomb is based on the principle of - (1) Double decomposition (2) Artificial radioactivity (3) Nuclear fission (4) Nuclear fusion
Last Answer : (4) Nuclear fusion Explanation: Hydrogen Bomb is based on the principle of Nuclear Fusion. Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.
Description : Hydrogen bomb employs the nuclear fusion of (A) Hydrogen (B) Deuterium (C) Tritium (D) Helium
Last Answer : (B) Deuterium
Description : Assertion `:-` Inspiration can occur if intra pulmonary pressure is less than the atmospheric pressure. Reason `:-` Inspiration is initiated by the re
Last Answer : Assertion `:-` Inspiration can occur if intra pulmonary pressure is less than the atmospheric pressure. ... D. If both Assertion & Reason are false.
Description : Why did president Harry S Truman order the atomic energy commission to produce a hydrogen bomb?
Last Answer : He didn’t. The Manhattan project was started several yearsbefore it was used. The bomb was all ready there when he tookoffice.
Description : An atom bomb works on the principle of (A) Nuclear fission (B) Nuclear fusion (C) Both the nuclear fission & fusion (D) Ionisation
Last Answer : Option A
Description : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.
Last Answer : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed ... false D. If both assertion and reason are false
Description : Assertion : Among the land animals. Cheetah can run faster over the ground. Reason : Cheetah uses its powerful forelimbs to push it self forward durin
Last Answer : Assertion : Among the land animals. Cheetah can run faster over the ground. Reason : Cheetah uses its ... D. If both Assertion and Reason are false.
Description : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. Reason `:-` Angiotensin I is a powerful vaso c
Last Answer : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. ... . D. If both Assertion & Reason are false.
Description : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the
Last Answer : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of ... D. If both Assertion & Reason are false.
Description : Assertion : Cannabis sativa is a powerful anti- depressant. Reason : Hashish and Marijuana are derived from it .
Last Answer : Assertion : Cannabis sativa is a powerful anti- depressant. Reason : Hashish and Marijuana are derived ... If both the assertion and reason are false
Description : Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen bond is weaker than alkyl oxygen bond
Last Answer : Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen ... is false D. A is false but R is true
Description : Assertion (A): There is no reaction known for which `DeltaG` is positive, yet it is spontaneous. Reason (R ) : For photochemical reaction, `DeltaG` is
Last Answer : Assertion (A): There is no reaction known for which `DeltaG` is positive, yet it is spontaneous. ... False. D. If both Assertion & Reason are false.
Description : What is nuclear fusion (atomic fusion reaction)?
Last Answer : A reaction, as in fission, fusion, or radioactive decay, that alters the energy, composition, or structure of an atomic nucleus.
Description : What refers to the strong repulsion between the positively charged nuclei which makes fusion reaction difficult to attain? A. Atomic repulsion B. Nuclear repulsion C. Coulomb repulsion D. Charge repulsion
Last Answer : Coulomb repulsion
Description : Which is more powerful, fusion or fission?
Last Answer : It really depends on what you mean by what is more powerful. Fission is far more destructive in its capabilities, but fusion is less destructive and produces far more energy than fission.
Description : Assertion : Rainbow is an example of the dispersion of sunlight by the water droplets. Reason: light of shorter wavelength is scattered much more than light of longer wavelength (a) Both A and R are true and R is the correct ... of A.(c) A is true but R is false. (d) A is false but R is true.
Last Answer : (c) A is true but R is false.
Description : Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself. ... explanation of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is the correct explanation of A
Description : Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below: (A) Both A ... explanation of A (C) A is true but R is false (D) A is false but R is true
Last Answer : Answer: Option A
Description : Assertion(A): Per capita Income is not a useful criterion and should not be used as measure of development. Reason( R) :Kerala with lower per capita income has a better human development ranking than Haryana. a) Both A ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Last Answer : b) Both A and R are true and R is the not correct explanation of A.
Description : Assertion A: Basin walls have to be of much greater height than dock walls. Reason R: Tidal basins are subject to fluctuations of levels due to tidal variations Select your answer based on the coding system given below: (A ... of A (C) A is true but R is false (D) A is false but R is true
Description : Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R: No wave can have a height greater than the depth of water through which it passes Select your answer based on ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is correct explanation of A
Description : Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below: (A) Both A and R is ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : Answer: Option B
Description : Assertion (A): Hydrostatic lubrication is more advantageous when compared to hydrodynamic lubrication during starting and stopping the journal in its bearing. Reason (R): In hydrodynamic lubrication, the fluid film pressure is ... (c) A is true but R is false (d) A is false but R is true
Last Answer : (b) Both A and R are individually true but R is not the correct explanation of A
Description : Assertion : o-Hydrozybenaldehyde is less soluable in water than p-Hydroxybenzalbenzaldehye. Reason : Intra molecular hydrogen bonding in o-Hydrozbenza
Last Answer : Assertion : o-Hydrozybenaldehyde is less soluable in water than p-Hydroxybenzalbenzaldehye. Reason : Intra ... D. Assertion is false, Reason is true
Description : Assertion: `p`-nitrophenol is a stronger acid than `o`-nitrophenol. Reason: Intramolecular hydrogen bonding makes the `o`-isomer weaker than the `p-`i
Last Answer : Assertion: `p`-nitrophenol is a stronger acid than `o`-nitrophenol. Reason: Intramolecular hydrogen bonding ... D. A is incorrect but R is correct
Description : Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen bonds
Last Answer : Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen ... false D. Assertion is false, Reason is true
Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due
Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct
Description : Assertion (A) Gravity and gravitation are one and the same thing. Reason (R) Both represent force of attraction.
Last Answer : Ans:(e)
Description : Assertion A.: The minimum self cleansing velocity in the sewer, at least once a day, must be generated. Reason (R): If certain deposition takes place and is not removed, it obstructs free flow and causes further ... correct explanation of A C. A is true but R is false D. A is false but R is true
Last Answer : ANS: A
Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true
Description : Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank. A. Both A and R is true and R is the correct ... is not a correct explanation of A C. A is true but R is false D. A is false but R is true
Description : Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value. A. Both A and R are true and R is the ... correct explanation of A C. A is true but R is false D. A is false but R is true
Description : Assertion (A): In hydrodynamic journal bearings, the rotating journal is held in floating condition by the hydrodynamic pressure developed in the lubricant. Reason (R): Lubricant flows in a converging-diverging channel. [IES-1994] ... A (c) A is true but R is false (d) A is false but R is true
Last Answer : (a) Both A and R are individually true and R is the correct explanation of A
Description : Assertion (A): Oil as a cutting fluid result in a lower coefficient of friction. Reason (R): Oil forms a thin liquid film between the tool face and chip, and it provides 'hydrodynamic lubrication'. [IES- 2000] (a ... explanation of A (c) A is true but R is false (d) A is false but R is true
Last Answer : (c) A is true but R is false
Description : Assertion (A): In anti-friction bearings, the frictional resistance is very low as the shaft held by it remains in floating condition by the hydrodynamic pressure developed by the lubricant. [IES-2006] Reason (R): In hydrodynamic ... of A (c) A is true but R is false (d) A is false but R is true
Last Answer : (d) A is false but R is true
Description : Assertion (A): In equilibrium position, the journal inside a journal bearing remains floating on the oil film. [IES-1995] Reason (R): In a journal bearing, the load on the bearing is perpendicular to the axis of the ... explanation of A (c) A is true but R is false (d) A is false but R is true
Description : Assertion (A): In steady rotating condition the journal inside a hydrodynamic journal bearing remains floating on the oil film. [IES-2008] Reason (R): The hydrodynamic pressure developed in steady rotating conditions in journal ... A (c) A is true but R is false (d) A is false but R is true
Last Answer : (a) Both A and R are true and R is the correct explanation of A
Description : The following questions consists of 2 statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: (a) Both A and R are true and R is the correct explanation for A (b) ... explanation for A (c) A is true but R is false (d) A is false but R is true
Last Answer : (b) Both A and R are true and R is not the correct explanation for A
Description : Assertion (A):A pair of linear equations has no solution (s) if it represented by intersecting lines graphically. Reason (R) : If the pair of lines are intersecting, then the pair has unique solution and is called ... of A. (c) A is correct; R is incorrect. (d) R is correct; A is incorrect.
Last Answer : (d) R is correct; A is incorrect.
Description : Assertion (A) : The value of k for which the system of linear equations kx+2y+1=0 and 6x+4y-5=0 has a unique solution is 3. Reason (R):The system of linear equations a1x + b1y + c1= 0 and a2x + ... not the correct explanation of A. (c) A is correct; R is incorrect. (d) R is correct; A is incorrect.
Description : Assertion (A): Maddie tried to prepare her lessons, but she could not put her mind on work. Reason (R): Maddie was missing the fun they used to have by teasing Wanda. (a) Both A and R are true and R is the correct ... A is true but R is false (d) A is false but R is true (e) Both A and R are false