41
Q:

# If a band is played on the moon the sound will

 A) reverberate B) be heard by us faintly C) be heard upto 10km from it D) not be heard at any distance at all from it

Answer:   D) not be heard at any distance at all from it

Explanation:

As there is no atmosphere surrounding the moon, the sound from any band that is played there cannot travel outwards there is no material medium  surrounding it for its propagation.

Subject: Physics
Q:

If the velocity of a body is doubled its momentum ________________.

 A) remains same B) doubles C) becomes half D) becomes 4 times

Explanation:

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 160
Q:

A body of mass 8 kg is moving with a velocity of 4 m/s, find its momentum.

 A) 2 B) 64 C) 32 D) 4

Explanation:

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

0 168
Q:

Ozone at the higher level of the atmosphere is a product of ______ acting on oxygen molecules.

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

1 813
Q:

'Torr' is a unit of _______.

 A) force B) energy C) power D) pressure

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

3 594
Q:

What is the velocity of sound in air?

 A) 343 m/sec B) 110 m/sec C) 220 m/sec D) 232 m/sec

Explanation:

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 724
Q:

The power of a lens is —2.5 D. The type of lens and its focal length are respectively:

 A) Convex, -0.40 m B) Concave, -0.40 m C) Concave, 0.40 m D) Convex, 0.40 m

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

0 855
Q:

Which one of the following is the unit of force?

 A) Pascal B) Watt C) Joule D) Newton

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

0 500
Q:

Which of the following are Mechanical waves?

 A) X rays B) Radio waves C) Microwaves D) Sound waves