AIIMS (All India Institute of Medical Sciences) Physics: Questions 205 - 207 of 500

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Question number: 205

» Atoms and Nuclei » Radioactive Decay Law

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Appeared in Year: 2003

Assertion-Reason▾

Question

Assertion (Ꭺ)

Radioactive nuclei emit - particles.

Reason (Ꭱ)

Electrons exist inside the nucleus.

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.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question number: 206

» Kinematics » Scalars and Vectors » Scalar and Vector Products

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Appeared in Year: 1998

Assertion-Reason▾

Question

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.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

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

Question number: 207

» Properties of Solids & Liquids » Viscosity

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Appeared in Year: 1995

Assertion-Reason▾

Question

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.

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

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