QUIZ SET B05 MAX QNS 10

Sub : Physics – LIGHT

QID - 30001281215BQZ

1.Wave length range of Green colour?

An. 500 – 550 nm

2.Our eye is most sensitive to which colours?

An. Yellow Green light

3.Who and when proposed Quantum theory of light?

An. Einstein, 1905

4.The speed of light is maximum in ….......?

An. Vacuum

5.That the photon possess momentum was proved by :

An. Compton

6.Momentum of a photon of frequency V is :

An. (h V) / c

7.What is the order of the energy of the visible photon?

An. 1 kev

8.The mass of photon at rest is

An. zero

9.Polarisation confirms the ….................. nature of the light waves:

An. Transverse

10.Polarisation was discovered by …......... ?

An. Huygens