AIIMS (All India Institute of Medical Sciences) Physics: Questions 226 - 228 of 500

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Question number: 226

» Laws of Motion » Force and Inertia

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Appeared in Year: 2005

Assertion-Reason▾

Question

Assertion (Ꭺ)

Frictional forces are conservative forces.

Reason (Ꭱ)

Potential energy can be associated with frictional forces.

Choices

Choice (4)Response

a.

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

b.

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

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question number: 227

» Work, Energy and Power » Work-Energy Theorem

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Appeared in Year: 2009

Assertion-Reason▾

Question

Assertion (Ꭺ)

The change in kinetic energy of a particle is equal to the work done on it by the net force.

Reason (Ꭱ)

Change in kinetic energy of particle is equal to the work done only in case of system of one particle.

Choices

Choice (4)Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

Question number: 228

» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field

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Appeared in Year: 2004

Assertion-Reason▾

Question

Assertion (Ꭺ)

The true geographic north direction is found by using a compass needle.

Reason (Ꭱ)

The magnetic meridian of the earth is along the axis of rotation of the earth.

Choices

Choice (4)Response

a.

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

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are false

d.

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

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