Dual Nature of Matter and Radiation-De-Broglie Relation (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 6 of 19

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Question number: 1

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

One electron & one proton is accelerated by equal potential. Ratio of their de-Broglie wavelengths is-

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

A photon and an electron have equal energy E. is proportional to

Choices

Choice (4) Response

a.

b.

Not depend upon E

c.

d.

Question number: 3

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

A radio station is transmitting waves of wavelength 300 m. If diffracting power of transmitter is 10 kW, then numbers of photons diffracted per second is-

Choices

Choice (4) Response

a.

1.5 × 10 33

b.

1.5 × 10 29

c.

1.5 × 10 31

d.

1.5 × 10 35

Question number: 4

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

In photoelectric effect if intensity of light is doubled then maximum kinetic energy of photoelectrons will become

Choices

Choice (4) Response

a.

No change

b.

Four time

c.

Double

d.

Half

Question number: 5

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

From rest an electron is accelerated between two such points which has potential 20 & 40 volts respectively. Associated de-Broglie wavelength of electron is-

Choices

Choice (4) Response

a.

7.5 Å

b.

2.75 Å

c.

0.75 Å

d.

2.75 m

Question number: 6

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

Which of the following figure represents variation of particle momentum and the associated de-Broglie wavelength?

Choices

Choice (4) Response

a.

Plot of momentum vs de-Broglie wavelength – Choice A

Plot of Momentum vs De-Broglie Wavelength – Choice A

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

b.

Plot of momentum vs de-Broglie wavelength – Choice B

Plot of Momentum vs De-Broglie Wavelength – Choice B

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

c.

Plot of momentum vs de-Broglie wavelength – Choice C

Plot of Momentum vs De-Broglie Wavelength – Choice C

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

d.

Plot of momentum vs de-Broglie wavelength – Choice D

Plot of Momentum vs De-Broglie Wavelength – Choice D

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

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