Dual Nature of Radiation and Matter Test

Result

Dual Nature of Radiation and Matter Test - 99

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

The correct curve between the stopping potential (V) and intensity of incident light (I) is

A

B

C

D
Question 2
4 / -1

The value of stopping potential in the following diagram

A
– 4 V

B
– 3 V

C
– 2 V

D
– 1 V
Question 3
4 / -1

In the following diagram if V₂> V₁then

A

B

C

D

Solution
Question 4
4 / -1

A point source of light is used in an experiment on photoelectric effect. Which of the following curves best represent the variation of photo current (i) with distance (d) of the source from the emitter?

A
a

B
b

C
c

D
d

Solution
Question 5
4 / -1

The stopping potential (V₀) versus frequency (v) plot of a substance is shown in figure the threshold wave length is

A
5 × 10¹⁴ m

B
6000 Å

C
5000 Å

D
Cannot be estimated from given data

Solution
Question 6
4 / -1

The graph that correctly represents the relation of frequency v of a particular characteristic X-ray with the atomic number Z of the material is

A

B

C

D

Solution
Question 7
4 / -1

The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve

A
A

B
B

C
C

D
None of these

Solution
Question 8
4 / -1

The continuous X-ray spectrum obtained from a Coolidge tube is of the form

A

B

C

D

Solution
Question 9
4 / -1

The dependence of the short wavelength limit min on the accelerating potential V is represented by the curve of figure

A
A

B
B

C
C

D
None of these

Solution
Question 10
4 / -1

The variation of wavelength λ of the K_α line with atomic number Z of the target is shown by the following curve of

A
A

B
B

C
C

D
None of these

Solution