AIIMS Physics: Questions 439 - 443 of 500

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Question number: 439

» Wave Optics » Young's Double Slit Experiment

MCQ▾

Question

If distance between Young double slits becomes half, the fringe width becomes –

Choices

Choice (4) Response

a.

2times

b.

14times

c.

Unchanged

d.

12times

Question number: 440

» Atoms and Nuclei » Atomic Masses

Appeared in Year: 1996

MCQ▾

Question

The wavelength of Kα X-rays produced by an X-ray tube is 0.76 . The atomic number of the anode material of the tube is – [IIT]

Choices

Choice (4) Response

a.

60

b.

41

c.

80

d.

20

Question number: 441

» X - Rays » Bragg's Law

Appeared in Year: 1998

MCQ▾

Question

For the diffraction from a crystal with λ=1 and Bragg’s angle θ=600 , then for the second order diffraction d will be – [AIPMT]

Choices

Choice (4) Response

a.

0.55

b.

2.1

c.

0.75

d.

1.15

Question number: 442

» Electrostatics » Electric Potential

MCQ▾

Question

Calculate the work done in bringing a charge of 3×109C from infinite point to P. At point P potential is, due to a charge of 6×107C located 0.12m away.

Choices

Choice (4) Response

a.

9×105J

b.

9×105J

c.

3×105J

d.

3×105J

Question number: 443

» Electromagnetic Induction & Alternating Currents » Electromagnetic Induction

MCQ▾

Question

A rod of magnetic material having dimension 15cm×0.4cm×0.3cm is subjected in magnetizing field of 0.3×104Am then a magnetic moment of 8Am2 is induced in it. Therefore magnetic induction in rod is –

Choices

Choice (4) Response

a.

5.59wbm2

b.

4.87wbm2

c.

6.2wbm2

d.

7.2wbm2

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