Question Detail

What is displacement ?

Longest distance covered by a body in a random direction.
Shortest distance covered by a body in a random direction.
Shortest distance covered by a body in a definite direction.
Longest distance covered by a body in a definite direction.

Answer: Option C

1. What is displacement ?

Longest distance covered by a body in a random direction.
Shortest distance covered by a body in a random direction.
Shortest distance covered by a body in a definite direction.
Longest distance covered by a body in a definite direction.

Answer: Option C

2. The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called

Nuclear fusion
Nuclear fission
Nuclear reaction
Fast breeding

Answer: Option B

3. Energy posses by a body in motion is called

Kinetic Energy
Potential Energy
Both of Above
None of Above

Answer: Option A

4. Which instrument is used to measure the scattering of light by particles suspended in a liquid ?

Nephetometer
Ohmmeter
Ondometer
Pyrometer

Answer: Option A

Explanation:

Ohmmeter - is used to measure electrical resistance in ohms,

Ondometer - is used to measure frequency of electromagnetic waves,

Pyrometer - is used to measure very high temperature.

5. Orbital speed of a satellite is dependent of its mass.

True
False

Answer: Option B

Explanation:

Orbital speed of a satellite is independent of its mass.