Physical Science MCQ Questions Answers Objective Sample Practice Set

Physical Science MCQ Questions Answers Objective Sample Practice Set


1) Sound waves in air are

a) transverse

b) longitudinal

c) electromagnetic

d) polarized

View Answer
Option – b)

2) Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

a) 1.8 km, 0.15 km

b) 2.2 km, 0.20 km

c) 2.8 km, 0.25 km

d) 3.3 km, 0.30 km

View Answer
Option – d)

3) Planets are

a) luminous heavenly bodies revolving around a star

b) non-luminous heavenly bodies

c) luminous heavenly bodies that twinkle

d) luminous heavenly bodies that do not twinkle

View Answer
Option – b)

4) Light from the Sun reaches us in nearly

a) 2 minutes

b) 4 minutes

c) 8 minutes

d) 16 minutes

View Answer
Option – c)

5) Magnetism at the centre of a bar magnet is

a) minimum

b) maximum

c) zero

d) minimum or maximum

View Answer
Option – c)

6) If electrical conductivity increases with the increase of temperature of a substance, then it is a:

a) Conductor

b) Semiconductor

c) Insulator

d) Carborator

View Answer
Option – b)

7) Which law is also called the law of inertia ?

a) Newton’s first law

b) Newton’s Second Law

 

c) Newton’s Third Law

d) All of these

View Answer
Option – a)

8) Which one of the following has the highest value of specific heat ?

a) Alcohol

b) Methane

c) Kerosene

d) Water

View Answer
Option – d)

9) Which instrument is used to measure altitudes in aircraft’s ?

a)Audiometer

b)Ammeter

c)Altimeter

d)Anemometer

View Answer
Option – c)

10) The absorption of ink by blotting paper involves

a)capillary action phenomenon

b)viscosity of ink

c)siphon action

d)diffusion of ink through the blotting

View Answer
Option – a)
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