Physics Mcqs — Test 5

Page 1 of 3

Question 1

In obtaining an X-ray photograph of our hand we use the principle of______________?

Question 2

When we excite some atoms by heat collision or electrical discharge they will________________?

Question 3

Which one of following postulate is in accordance with the Rutherfords model ?

Question 4

Ground state energy of the 4th orbit in a H-atom is_____________?

Question 5

The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

Question 6

Bracket series is obtained when all transition of electron terminate on_______________?

Question 7

The penetrating power of X-rays depends on their______________?

Question 8

Reverse process of photoelectric effect is_______________?

Question 9

Radiation with wavelength longer than red lights______________?

Question 10

In an electronic transition atom cannot emit______________?