Question
Name the unit in which work function of a metal is generally expressed.

Answer

  1. eV
Explanation:
Work function in generally expressed in electron volt.

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

A bar magnet has a magnetic moment equal to $5 \times 10^{-5}\ \ce{weber \times m}$. It is suspended in a magnetic field which has a magnetic induction $(B)$ equal to $8 \pi \times 10^{-4}$ tesla. The magnet vibrates with a period of vibration equal to $15\sec.$ The moment of inertia of the magnet is
A radioactive substance emits(a) a-rays(b) b-rays(c) g-rays(d) All of these
       
If A and B are two inputs in AND gate, then AND gate has an output of 1 when the values of A and B are(a) A = 0, B = 0(b) A = 1, B = 1(c) A = 1, B = 0(d) A = 0, B = 1
       
Below figures $(1)$ and $(2)$ represent lines of force. Which is correct statement
Two coherent sources of light can be obtained by(a) Two different lamps(b) Two different lamps but of the same power(c) Two different lamps of same power and having the same colour(d) None of the above
 
 
 
 
A magnet can only repel another magnet. So, ‘X’ is a surer test of magnetism. Identify X.
Out of the following which one is not a possible energy for a photon to be emitted by hydrogen atom according to Bohr’s atomic model?
Monochromatic light is refracted from air into the glass of refractive index $\mu .$ The ratio of the wavelength of incident and refracted waves is
Which of the following is the disadvantage of FM over AM(a) Larger band width requirement(b) Larger noise(c) Higher modulation power(d) Low efficiency
   
   
In which of the following the final image is erect?
  1. Simple microscope.
  2. Compound microscope.
  3. Astronomical telescope.
  4. Galilean telescope.