The latitude of a place expresses its angular position relative to the place of ________

Latitude of a place is the angular distance from

A

Greenwich to the place

B

Equator to the poles

C

Equator to the nearer pole

D

None of these

If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.

A

Neutral

B

Stable

C

Unstable

D

None of these

Latitude of place is indicative of its ________

A

Time

B

Altitude

C

Amount of rainfall

D

Temperature

What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?

A

Remains constant

B

Becomes zero

C

Increases exponentially

D

None of the above

A disc is a spinning with an angular velocity $$\omega $$ rad/s about the axis of spin. The couple applied to the disc causing precession will be (where $$I$$ = Mass moment of inertia of the disc and $$\omega {\text{P}}$$ = Angular velocity of precession of the axis of spin)

A

$$\frac{1}{2}I{\omega ^2}$$

B

$$I{\omega ^2}$$

C

$$\frac{1}{2}I\omega \omega {\text{P}}$$

D

$$I\omega \omega {\text{P}}$$

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is

A

n rpm

B

$$\frac{{\text{n}}}{2}$$ rpm

C

$$\frac{{\text{n}}}{4}$$ rpm

D

2n rpm

Latitude of the observer's position is equal to altitude of

A

North pole

B

Pole star

C

Celestial pole

D

All the above

The latitude of the observer's position, is

A

Elevation of the elevated pole

B

Declination of the observer's zenith

C

Angular distance along the observer's meridian between equator and the observer

D

All the above

The latitude of a place is the same as the ________

A

Maximum altitude attained by the Sun at noon

B

Altitude of the celestial pole

C

Angle between the horizon and the equator

D

Zenith distance of the full moon when on the meridian

If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in

A

Neutral equilibrium

B

Stable equilibrium

C

Unstable equilibrium

D

None of these

The latitude of a place expresses its angular position relative to the place of ________

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