AIIMS Physics: Questions 215 - 218 of 500

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Question number: 215

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Appeared in Year: 2006

Assertion-Reason▾

Assertion (Ꭺ)

Diamagnetic materials can exhibit magnetism.

Reason (Ꭱ)

Diamagnetic materials have permanent magnetic dipole moment.

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 but Ꭱ is NOT the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Question number: 216

» Atoms and Nuclei » Radioactivity

Appeared in Year: 2006

Assertion-Reason▾

Assertion (Ꭺ)

Cobalt-60 is useful in cancer therapy.

Reason (Ꭱ)

Cobalt-60 is source of Equation radiations capable of killing cancerous cell.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

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

d.

Ꭺ is true but Ꭱ is false

Question number: 217

» Oscillations and Waves » Longitudinal and Transverse Waves

Appeared in Year: 2006

MCQ▾

Question

For waves propagating in a medium, identify the property that is independent of the others

Choices

Choice (4) Response

a.

Wavelength

b.

Velocity

c.

Frequency

d.

None of the above

Question number: 218

» Dual Nature of Matter and Radiation » Photoelectric Effect

Appeared in Year: 2004

Assertion-Reason▾

Assertion (Ꭺ)

Photoelectric effect demonstrates the wave nature of light.

Reason (Ꭱ)

The number of photo electrons is proportional to the frequency of light.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

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

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