AIIMS (All India Institute of Medical Sciences) Physics: Questions 234 - 236 of 500

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Question number: 234

» Gravitation » Gravitational Acceleration

Appeared in Year: 2009

Assertion-Reason▾

Assertion (Ꭺ)

The difference in the value of acceleration due to gravity at pole and equator is proportional to square of angular velocity of earth.

Reason (Ꭱ)

The value of acceleration due to gravity is minimum at the equator and maximum at the pole.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 235

» Dual Nature of Matter and Radiation » Dual Nature of Radiation

Appeared in Year: 2005

Assertion-Reason▾

Assertion (Ꭺ)

A body that is a good radiator is also a good absorber of radiation at a given wavelength.

Reason (Ꭱ)

According to Kirchhoff’s law the absorptivity of a body is equal to its emissivity at a given wavelength.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Question number: 236

» Kinetic Theory of Gases » Kinetic Theory of Gases

Appeared in Year: 2003

Assertion-Reason▾

Assertion (Ꭺ)

The size of a hydrogen balloon increase as it rises in air.

Reason (Ꭱ)

The material of the balloon can be easily stretched.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

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