Top 501+ Advanced Physics Quiz - 2

Question: 6

The thickness of the air film between the glass plate and the lens in Newton’s experiment

(A) Zero everywhere

(B) Increases from the centre towards the edge

(C) Decreases from the centre towards the edge

(D) Is uniform at all the plates

Question: 7

Fraunhofer pattern is practically observed by a

(A) Spectrometer

(B) Sonomter

(C) Sperometer

(D) Interfereometer

Question: 8

In Fraunhofer diffraction, the different rays are trought to focus with the help of

(A) Convex mirror

(B) Concave mirror

(C) Convex lens

(D) Concave lens

Question: 9

In Newton’s ring experiment, a plano convex lens of ______ is used.

(A) A liquid

(B) Two different liquids

(C) Short focal length

(D) Long focal length

Question: 10

Radiowaves are propagated from transmitting to the receiving antenna by means of

(A) sky wave or ionspheric propagation

(B) space wave propagation

(C) ground wave propagation

(D) all the above