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SSC Scientific Assistant: Physics Quiz 6

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Question 1

Beats occur because of

Question 2

Compton effect is associated with

Question 3

The first spectral line of sodium is 5890 A0. The first excitation potential of sodium is

Question 4

In Rutherford Scattering experiment, the correct angle of scattering of alpha particles for impact parameter equal to zero is

Question 5

In the Bohr model of the hydrogen atom the lowest orbit corresponds to

Question 6

A ray of light passes from vaccum into a medium of refractive index n. If the angle of indence is twice the angle of refraction then the angle of incidence is

Question 7

A bulb is placed between two plane mirrors inclined at an angle of 600. The number of images formed is

Question 8

When light passes from one medium to another, the physical quantity that remains unchanged is

Question 9

Astigmatism for a human eye can be removed by using

Question 10

The image of an object formed by a device is always virtual and small. The device may be
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Jun 8ESE & GATE EC