Top 500+ TRB Physics Question Paper with Answers - 2

Question: 6

When viewed in white light, soap bubbles show colours because of

(A) Dispersion

(B) Diffraction

(C) Interference

(D) Scattering

Question: 7

The lift of an air plane is based on

(A) Conservation of linear momentum

(B) Law of gravitation

(C) Bernoulli’s theorem

(D) Torricelli’s theorem

Question: 8

Which mirror is used as a rear view mirror in the vehicles?

(A) Plane

(B) Plano concave

(C) Concave

(D) Convex

Question: 9

Which is the best fertilizer?

(A) Triple phosphate

(B) Super phosphate

(C) Phosphatic slag

(D) None of these

Question: 10

Barometers are used to measure the atmospheric

(A) Density

(B) Gases

(C) Capacity

(D) Pressure