AIIMS (All India Institute of Medical Sciences) Physics: Questions 271 - 276 of 500

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Question number: 271

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

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MCQ▾

Question

A standing wave having 4 nodes and 3 antinodes is formed between distances then the wavelength is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 272

» Electrostatics » Capacitors

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MCQ▾

Question

Three capacitors of capacitance are connected in series to a voltage source of 200V. The charge on is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 273

» Work, Energy and Power » Kinetic Energy

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MCQ▾

Question

A bomb of mass 5.0 kg explodes in air into two pieces of masses 2.0 kg and 3.0 kg. The smaller mass goes at a speed of . The total energy imparted to the two fragments is –

Choices

Choice (4)Response

a.

48 kJ

b.

12 kJ

c.

36 kJ

d.

24 kJ

Question number: 274

» Oscillations and Waves » Displacement Relation for a Progressive Wave

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MCQ▾

Question

If equation of a sound wave is then its wavelength will be –

Choices

Choice (4)Response

a.

0.5 unit

b.

0.05 unit

c.

0.09 unit

d.

1 unit

Question number: 275

» Electronic Devices » Junction Transistor

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Appeared in Year: 2004

Assertion-Reason▾

Question

Assertion (Ꭺ)

In a transistor the base is made thin.

Reason (Ꭱ)

Thin base makes the transistor stable.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is 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 false

Question number: 276

» Electrostatics » Electric Field

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MCQ▾

Question

Two parallel large thin metal sheets have equal surface charge densities of opposite signs. The electric field between these sheets is –

Choices

Choice (4)Response

a.

b.

c.

d.

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