Physics General Knowledge Questions and Answers - 1
Question: 1
Tube light is filled with
(A) Mercuric oxide and argon gas
(B) Sodium vapour
(C) Mercury vapour a low pressure
(D) Argon gas at a low pressure
Ans: A
Mercuric oxide and argon gas
Question: 2
Scent sprayer is based on
(A) Bernoulli’s principle
(B) Charles’s law
(C) Archimedes’ principle
(D) Boyle’s law
Ans: A
Bernoulli’s principle
Question: 3
The speed at which light travels in vacuum is
(A) 5 x 10 -18 ms-1
(B) 3 x 10 4 ms-1
(C) 3 x 10 8 ms-1
(D) 3 x 10 18 ms-1
Ans: C
3 x 10 8 ms-1
Question: 4
Which one of the following pairs does not have the same dimension
(A) Density and specific gravity
(B) Focal length and height
(C) Potential energy and kinetic energy
(D) Gravitational force and friction force
Ans: A
Density and specific gravity
Question: 5
For shaving which type of mirror is used
(A) spherical mirror
(B) plane mirror
(C) convex mirror
(D) concave mirror
Ans: D
concave mirror
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