AIIMS (All India Institute of Medical Sciences) Physics: Questions 229 - 231 of 500

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Question number: 229

» Dual Nature of Matter and Radiation » De-Broglie Relation

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Appeared in Year: 2005

Assertion-Reason▾

Question

Assertion (Ꭺ)

The energy (E) and momentum (p) of a photon are related by .

Reason (Ꭱ)

The photon behaves like a particle.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

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

d.

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

Question number: 230

» Atoms and Nuclei » Binding Energy Per Nucleon

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Appeared in Year: 2004

Assertion-Reason▾

Question

Assertion (Ꭺ)

Nuclear binding energy per nucleon is in the order

Reason (Ꭱ)

Binding energy per nuclear increases linearly with difference in number of neutrons and protons.

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 false but Ꭱ is true

Question number: 231

» Communication System » Sky and Space Wave Propagation

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Appeared in Year: 2005

Assertion-Reason▾

Question

Assertion (Ꭺ)

Television signals are received through sky-wave propagation.

Reason (Ꭱ)

The ionosphere reflects electromagnetic waves of frequencies greater than a certain critical frequency.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

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

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