AIIMS (All India Institute of Medical Sciences) Physics: Questions 204 - 207 of 500

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Question number: 204

» Laws of Motion » Laws of Friction

Appeared in Year: 2008

Assertion-Reason▾

Assertion (Ꭺ)

Angle of repose is equal to the angle of limiting friction.

Reason (Ꭱ)

When the body is just at the point of motion, the force of friction in this stage is called limiting friction.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are 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 true but Ꭱ is false

Question number: 205

» Atoms and Nuclei » Radioactive Decay Law

Appeared in Year: 2003

Assertion-Reason▾

Assertion (Ꭺ)

Radioactive nuclei emit Equation - particles.

Reason (Ꭱ)

Electrons exist inside the nucleus.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

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

Question number: 206

» Kinematics » Scalars and Vectors » Scalar and Vector Products

Appeared in Year: 1998

Assertion-Reason▾

Assertion (Ꭺ)

The dot product of one vector with another vector may be a scalar or a vector.

Reason (Ꭱ)

If the product of two vectors is a vector quantity, then product is called a dot product.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

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

Question number: 207

» Properties of Solids & Liquids » Viscosity

Appeared in Year: 1995

Assertion-Reason▾

Assertion (Ꭺ)

Machine parts are jammed in winter.

Reason (Ꭱ)

The viscosity of lubricant used in machine part decrease at low temperature,

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

Both Ꭺ and Ꭱ are false

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