The ratio of mass of proton to that of electron is nearly?

The ratio of mass of proton to that of electron is nearly?
by

1 Answer

Answer :

The ratio of mass of proton to that of electron is nearly 1840.

by

Related questions

What is the charge and mass of an electron?

Description : What is the charge and mass of an electron?

Last Answer : Charge on electrons is 1.6022*10-19CAnd the mass of electrons is 9.109*10-31 kg

Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?

Description : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?

Last Answer : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5.

Explain with sketch electron beam welding.

Description : Explain with sketch electron beam welding. 

Last Answer : Electron Beam Welding Process In EBW process, the heat is generated when the electron beam impinges on work piece. As the high velocity electron beam strikes the surfaces to be welded, their kinetic ... material that is directly in the path is melted which when solidifies form the joint. 

State the different modes of electron emission in metal. Explain any two modes of emission.

Description : State the different modes of electron emission in metal. Explain any two modes of emission.

Last Answer : Different modes of electron emission in metal - 1. Thermionic emission 2. Photo electric emission. 3. Field emission. 4. Secondary emission. Mode of Emission  1. Thermionic emission. ... (GaP)  Application: Electron multiplier tubes, Special amplifying tubes, Computer memory tubes. 

In a metal conductor, what is a free electron?

Description : In a metal conductor, what is a free electron?

Last Answer :  When many atoms are close together in a copper wire, the outermost orbital electron of each copper atom can easily break free from its home or parent atom. These electrons then can migrate easily ... random. Such electrons that can move freely from one atom to the next are called free electrons.

The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the

Description : The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating anode voltage is reduced to half of ... on the screen would become (A) 64 mm (B) 32 mm (C) 8 mm (D) 1 mm

Last Answer : The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating ... of its previous value. Then, the vertical deflection of the beam on the screen would become 32 mm

lf the wire which is vertical to this page has electron flow downwards the conductor will have

Description : lf the wire which is vertical to this page has electron flow downwards the conductor will have

Last Answer : lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper

Could the magnetic properties of a piece of negative mass only be realized around another piece of negative magnetic mass?

Description : Could the magnetic properties of a piece of negative mass only be realized around another piece of negative magnetic mass?

Last Answer : I think you need to define some terms here. What is negative magnetic mass ? I understand each of those words, but the combination into a phrase is essentially meaningless to me. Non-magnetic is a ... of yet. Although anti-matter has been postulated, I'm not aware of its provable existence yet.

What is the Difference between Mass and Weight?

Description : What is the Difference between Mass and Weight?

Last Answer : Shown below are two types of scales commonly used in the classroom -a spring scale (left) and a simple balance beam scale on the right. On earth the spring scale reads 100g with an unknown mass ... spring scale read? How much mass would be needed to balance the 100g mass on the balance beam?

What is mass energy equivalence? Give one example. Define mass defect and binding energy.

Description : What is mass energy equivalence? Give one example. Define mass defect and binding energy.

Last Answer : Mass energy equivalence:-   The physical principle that a measured quantity of energy is equivalent to a measured quantity of mass. The equivalence is expressed by Einstein's equation E = mc ... of energy that must be supplied to a nucleus to completely separate its nuclear articles (nucleons)

The mass of ions in grams which is liberated or deposited by chemical action by the passage of 1 C of

Description : The mass of ions in grams which is liberated or deposited by chemical action by the passage of 1 C of electricity _______ A) electrochemical force B) electrochemical voltage C) electrochemical equivalent D) none of these

Last Answer : The mass of ions in grams which is liberated or deposited by chemical action by the passage of 1 C of electricity electrochemical equivalent 

The units of moment of inertia of mass are?

Description : The units of moment of inertia of mass are?

Last Answer : Moment of inertia mass*velocity [Kg M T'-1]

In otto cycle compression ratio is 8. Calculate air standard efficiency. Will it be grater than Carnot Cycle ? Justify your answer.

Description : In otto cycle compression ratio is 8. Calculate air standard efficiency. Will it be grater than Carnot Cycle ? Justify your answer. 

Last Answer : No, the Otto cycle efficiency 56.47% will always be lower than Carnot cycle efficiency. Justification: Carnot theorem states that keeping operating conditions same, Carnot engine is more efficient than any other engine. So, Otto cycle efficiency is lower than Carnot cycle efficiency. 

Graph indicating changes in pollutants level w.r.t air fuel ratio

Description : Graph indicating changes in pollutants level w.r.t air fuel ratio

Last Answer : Graph indicating changes in pollutants level w.r.t air fuel ratio

Compressor pressure ratio (CPR)

Description : Compressor pressure ratio (CPR)

Last Answer : Compressor pressure ratio (CPR), is the ratio of the air total pressure exiting the compressor to the air pressure entering the compressor. This number is always greater than 1.0.

SEER: Seasonal Energy Efficiency Ratio (SEER)

Description : SEER: Seasonal Energy Efficiency Ratio (SEER)

Last Answer : SEER: Seasonal Energy Efficiency Ratio (SEER), is most commonly used to measure the efficiency of a central air conditioner. The higher the SEER, the more efficient the system OR It is the ... the ratio of total capacity to the total KW energy usage at specific humidity and temperature condition.

Voltage ratio

Description : Voltage ratio

Last Answer : Voltage ratio

Turns ratio formula

Description : Turns ratio

Last Answer : Turns ratio formula

Impedance ratio

Description : Impedance ratio

Last Answer : Impedance ratio

Current ratio

Description : Current ratio

Last Answer : Current ratio

Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.

Description : Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.

Last Answer : 1) Voltage ratio: The voltages in primary and secondary winding is proportional to number of turns in primary and secondary respectively. So, the voltage ratio is same as transformation ratio. V2/V1 = N2 ... as transformation ratio of transformer. It is denoted by K. K = N2/N1

What is transformation ratio?

Description : What is transformation ratio?

Last Answer : Transformation Ratio (k):- It is the ratio of secondary number of turns to primary number of turns. OR It is the ratio of secondary voltage to primary voltage. OR It is the ratio of primary current to secondary current. 

The ratio of the width to the height of the picture frame is called as

Description : The ratio of the width to the height of the picture frame is called as A) Rastar B) Aspect Ratio C) Length Ratio D) Efficiency  

Last Answer : The ratio of the width to the height of the picture frame is called as Aspect Ratio

If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug

Description : If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug setting multiplier will be

Last Answer : If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug setting multiplier will be 10

Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

Description : Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

Last Answer : Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is 16

A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while

Description : A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while the chopper feeds an RL load. The per unit current ripple would  (1) increase progressively  (2 ... 0.5 and then increase  (4) increase to a maximum value at α = 0.5 and then decrease

Last Answer : A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while the chopper feeds an RL load. The per unit current ripple would increase to a maximum value at α = 0.5 and then decrease

If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge

Description : If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is :  (A) 2.8 (B) 2.6 (C) 4.6 (D) 3.6

Last Answer : If Poisson's ratio of a resistance wire strain gauge is 1.8, then neglecting piezo-resistive effects, its Gauge factor is : 4.6

The ratio of full -load volt-amperes to short-circuit volt-amperes is equal to :

Description : The ratio of full -load volt-amperes to short-circuit volt-amperes is equal to :

Last Answer : The ratio of full -load volt-amperes to short-circuit volt-amperes is equal to : Z (p.u)

Specific energy consumption of an electric train is the ratio between

Description : Specific energy consumption of an electric train is the ratio between (A) Specific energy output at driving wheels and efficiency of the traction motor (B) Specific energy output at driving wheels ... (D) Specific energy output at driving wheels and efficiency of the (motor + transmission gear)

Last Answer : Specific energy consumption of an electric train is the ratio between Specific energy output at driving wheels and efficiency of the (motor + transmission gear)

Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor

Description : Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor (A) is equal to that of a normal induction motor (B) is less than that of a normal induction motor (C) ... than that of a normal induction motor (D) may be less or greater than that of a normal induction motor

Last Answer : C

The Eb/V ratio of a d.c. motor is an indication of its?

Description : The Eb/V ratio of a d.c. motor is an indication of its?

Last Answer : The Eb/V ratio of a d.c. motor is an indication of its efficiency.

The ratio of active power to apparent power is known as____ factor.

Description : The ratio of active power to apparent power is known as____ factor.

Last Answer : The ratio of active power to apparent power is known as power factor.

The form factor is the ratio of?

Last Answer : The form factor is the ratio of r.m.s. value to average value.

The ratio of limiting friction and normal reaction is known as?

Description : The ratio of limiting friction and normal reaction is known as?

Last Answer : The ratio of limiting friction and normal reaction is known as coefficient of friction.

The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is?

Last Answer : The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is 0.5.

The ratio of starting torque to full-load torque is least in case of?

Last Answer : The ratio of starting torque to full-load torque is least in case of shunt motors.

A synchronous machine with low value of short-circuit ratio has?

Last Answer : A synchronous machine with low value of short-circuit ratio has lower stability limit.

The voltage transformation ratio of a transformer is equal to the ratio of?

Description : The voltage transformation ratio of a transformer is equal to the ratio of?

Last Answer : The voltage transformation ratio of a transformer is equal to the ratio of secondary induced e.m.f. to primary induced e.m.f.

Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is?

Description : Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is?

Last Answer : Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to 1.

Use of auto-transformer is economical when the transformation ratio is?

Description : Use of auto-transformer is economical when the transformation ratio is?

Last Answer : Use of auto-transformer is economical when the transformation ratio is near unity.

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Description : The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Last Answer : (B) 1837

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Description : The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Last Answer : Option C

what is ratio of mass of proton to electron ?

Description : what is ratio of mass of proton to electron ?

Last Answer : proton mass = 1.6726219 × 10-27 kilogramselectron mass = 9.10938356 × 10-31 kilogramsRatio of mass of proton to electron =  1.6726219 × 10-27 kilograms / 9.10938356 × 10-31 kilograms= 1836.152676

How much is the mass of an electron, proton and neutron ? -Science

Description : How much is the mass of an electron, proton and neutron ? -Science

Last Answer : The mass of an electron, proton and neutron is fllowing : Electron : 1/1840 u or 9x10^-28 grams. Proton : it's mass is 1840times more than of an electron ( 1u ) or 1.6x10^-24 grams. Neutron : it's mass is also is the same that of the proon ( 1u) or 1.6x10^-24 grams.

A student makes scale models of the subatomic particles. He uses an object with a mass of 1 g to represent an electron. Approximately what mass should the object have that he uses to represent the proton?

Description : A student makes scale models of the subatomic particles. He uses an object with a mass of 1 g to represent an electron. Approximately what mass should the object have that he uses to represent the proton?

Last Answer : about 1,800 g A+

Of the following particles, the particle having the least mass is (a) Meson (b) Neutron (c) Electron (d) Proton

Description : Of the following particles, the particle having the least mass is (a) Meson (b) Neutron (c) Electron (d) Proton

Last Answer : Ans:(c)

Which one of the following has greatest mass? (1) electron (2) proton (3) neutron (4) hydrogen nucleus

Description : Which one of the following has greatest mass? (1) electron (2) proton (3) neutron (4) hydrogen nucleus

Last Answer : (3) neutron

The nuclear particle having no mass and no charge, but only spin is - (1) proton (2) neutrino (3) meson (4) electron

Description : The nuclear particle having no mass and no charge, but only spin is - (1) proton (2) neutrino (3) meson (4) electron

Last Answer : (2) neutrino Explanation: Neutrinos do not carry electric charge, and have mass quite small, though nonzero. Their mass is tiny even by the standards of subatomic particles. They are electrically neutral, weakly interacting elementary subatomic particles with half-integer spin.

Pick out the wrong statement. (A) The nucleus of a hydrogen atom is identical with a proton (B) A, β-ray particle is identical with an electron (C) Mass of an electron is about 1/1800th of the lightest nucleus (D) Positron is heavier than a proton

Description : Pick out the wrong statement. (A) The nucleus of a hydrogen atom is identical with a proton (B) A, β-ray particle is identical with an electron (C) Mass of an electron is about 1/1800th of the lightest nucleus (D) Positron is heavier than a proton

Last Answer : (D) Positron is heavier than a proton

Mass of a positron is same as that of a/an (A) Electron (B) α-particle (C) Proton (D) Neutron

Description : Mass of a positron is same as that of a/an (A) Electron (B) α-particle (C) Proton (D) Neutron

Last Answer : (A) Electron