Question

When a proton is accelerated with 1 volt potential difference, then its kinetic energy is

(a)  

(b) 1840 eV

(c) 1 eV   

(d) 1840 c2 eV

Answer

(c) 1 eV   

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

When light falls on a metal surface, the maximum kinetic energy of the emitted photo-electrons depends upon

(a) The time for which light falls on the metal

(b) Frequency of the incident light

(c) Intensity of the incident light

(d) Velocity of the incident light

For which regions is Gauss' law true?

X – rays and γ -  rays of the same energies may be distinguished by

(a) Their velocity

(b) Their ionising power

(c) Their intensity

(d) Method of production

Let F, FN and f denote the magnitudes of the contact force, normal force and the friction exerted by one surface on the other kept in contact. If none of these is zero:
  1. F > FN
  2. F > f
  3. F> f
  4. FN - f < F < F+ f
The fluorescence of the glass (discharge) tube at very low pressure is characteristic of ________:

If M is the atomic mass and A is the mass number, packing fraction is given by

(a)  

(b)  

(c)    

(d)  

At a place the value of horizontal component of the earth's magnetic field H is 3. A metallic rod AB of length 2 m placed in east-west direction, having the end A towards east, falls vertically downward with a constant velocity of 50 m/s. Which end of the rod becomes positively charged and what is the value of induced potential difference between the two ends

(a) End A, 3 

(b) End A, 3 mV

(c) End B, 3 

(d) End B, 3 mV

A coil of insulating wire is connected to battery. If it is moved towards a galvanometer then its point gets deflected because.
The electric field inside a conductor.

Why are red coloured lights are used in traffic signals to stop the vehicles?