AIIMS (All India Institute of Medical Sciences) Physics: Questions 183 - 188 of 500

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Question number: 183

» Atoms and Nuclei » Half Life and Mean Life

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Appeared in Year: 2004

MCQ▾

Question

Carbon dating is best suited for determining the age of fossils if their age in years is of the order of –

Choices

Choice (4)Response

a.

106

b.

105

c.

104

d.

103

Question number: 184

» Oscillations and Waves » Reflection of Waves

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Appeared in Year: 1999

MCQ▾

Question

‘SONAR’ emits which of the following waves?

Choices

Choice (4)Response

a.

Radio waves

b.

Magnetic waves

c.

Ultrasonic waves

d.

Light waves

Question number: 185

» Oscillations and Waves » Displacement Relation for a Progressive Wave

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Appeared in Year: 2001

MCQ▾

Question

How does the red shift confirm that the universe is expanding?

Choices

Choice (4)Response

a.

wavelength of light emitted by galaxies appears to be the same

b.

wavelength of light emitted by galaxies appears to decrease

c.

wavelength of light emitted by galaxies appears to increase

d.

None of the above

Question number: 186

» Oscillations and Waves » Longitudinal and Transverse Waves

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Appeared in Year: 2004

MCQ▾

Question

The waves produced by a motorboat sailing in water are –

Choices

Choice (4)Response

a.

Longitudinal and transverse

b.

Stationary

c.

Longitudinal

d.

Transverse

Question number: 187

» Atoms and Nuclei » Radioactive Decay Law

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Appeared in Year: 2005

MCQ▾

Question

A radioactive material has a half – life of 10 days. What fraction of the material would remain after 30 days –

Choices

Choice (4)Response

a.

0.25

b.

0.5

c.

0.125

d.

0.33

Question number: 188

» Kinetic Theory of Gases » Law of Equipartition of Energy

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Appeared in Year: 2004

MCQ▾

Question

, and are root mean square, average and most probable speeds of molecules of a gas obeying Maxwell velocity distribution. Which of the following statements is correct?

Choices

Choice (4)Response

a.

b.

c.

d.

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