NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 423 - 427 of 2320

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Question number: 423

» Properties of Solids & Liquids » Specific Heat Capacity

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MCQ▾

Question

The specific heat of a solid is determined by the method known as?

Choices

Choice (4)Response

a.

The method of fusion

b.

The method of cooling

c.

The method of mixture

d.

The method of vaporization

Question number: 424

» Electrostatics » Electric Charges

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Assertion-Reason▾

Question

Assertion (Ꭺ)

Electrons move away from a low potential to high potential region.

Reason (Ꭱ)

because electrons have negative charge

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 true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

Question number: 425

» Electrostatics » Capacitors

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MCQ▾

Question

Two capacitors of capacitances 3µF and 6µFare charged to a potential of 12V each. They are now connected to each other, with the positive plate of each joined to the negative plate of the other. The potential difference across each will be

Choices

Choice (4)Response

a.

4 volt

b.

zero

c.

3 volt

d.

6 volt

Question number: 426

» Electrostatics » Torque on a Dipole in a Uniform Electric Field

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MCQ▾

Question

Electric charges q, q, -2q are placed at the corners of an equilateral triangle ABC of side l. The magnitude of electric dipole moment of the system is

Choices

Choice (4)Response

a.

ql

b.

4q l

c.

d.

2ql

Question number: 427

» Communication System » Bandwidth of Signals

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MCQ▾

Question

In an experiment for measurement of young’s modulus, following readings are taken. Load = 3.00 kg, length = 2.820 m, diameter - 0.041 cm and extension = 0.87. Determine the percentage error in the measurement of Y.

Choices

Choice (4)Response

a.

+ 5.5%

b.

+ 5%

c.

+ 15%

d.

+ 6.5%

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