TNPSC Physics Gk Questions with Answers - 1

Question: 1

Waves produced on the surface of water is

(A) Stationary waves

(B) Electromagnetic wave

(C) Transverse

(D) Longitudinal

Question: 2

In longitudinal waves, the particles vibrate in a _____ direction of propagation.

(A) Curved

(B) Parallel as well as perpendicular

(C) Perpendicular

(D) Parallel

Question: 3

When a biomass is decomposed in the absence of oxygen, the gas liberated is ___

(A) Methane

(B) L.P.G

(C) Ethane

(D) CO₂

Question: 4

The velocity of sound is maximum in

(A) Air

(B) Atmosphere

(C) Water

(D) Iron nails (solid)

Question: 5

In a single movable pulley, the mechanical advantage is equal to

(A) 1

(B) 2

(C) 3

(D) 4