Question Detail

Which instrument is used to measure curvature of spherical objects ?

Spectroscope
Spherometer
Spectrometer
Sextant

Answer: Option B

Explanation:

Spectroscope - used to record spectra,

Spectrometer - used to measure the position of spectral lines,

Sextant - used to measure the height of very distant objects and also used by navigators to find the latitude. what you thought :)

1. newton is used to measure

Speed
Volume
Force
Area

Answer: Option C

2. Which instrument is used to measure curvature of spherical objects ?

Spectroscope
Spherometer
Spectrometer
Sextant

Answer: Option B

Explanation:

3. If lift is going up with acceleration, the apparent weight of a body is

may be more or less than true weight
equal to the true weight
less than the true weight
more than the true weight

Answer: Option D

4. radian per second is unit of

Momentum
Moment of Inertia
Frequency
Angle Velocity

Answer: Option D

Explanation:

unit of Momentum is kilogram meter per second,

unit of Moment of Inertia is kilogram square meter,

unit of frequency is Hertz.

5. When a body is immersed partly or wholly in a liquid, there is an apparent loss in weight of the body which is equal to the weight of liquid displaced by the body.

True
False

Answer: Option A

Explanation:

TRUE, it is Archimedes Principle.