# Dual Nature of Matter and Radiation-De-Broglie Relation (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 6 of 18

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## Question number: 1

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

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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

Not depend upon E

## Question number: 3

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

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 35

b.

1.5 × 10 33

c.

1.5 × 10 31

d.

1.5 × 10 29

## Question number: 4

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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Four time

b.

Half

c.

No change

d.

Double

## Question number: 5

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

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.

2.75 Å

b.

0.75 Å

c.

2.75 m

d.

7.5 Å

## Question number: 6

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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page