hitechpathshala

Q. 1

a

b

c

d

Q. 2

A

B

C

D

Q. 3

A

B

C

D

Q. 4

A

B

C

D

Q. 5

A

B

C

D

Q. 6

A

B

C

D

Q. 7

A

B

C

D

Q. 8

A

B

C

D

Q. 9

A

B

C

D

Q. 10

A

B

C

D

Q. 11

A

B

C

D

Q. 12

A

B

C

D

Q. 13

A

B

C

D

Q. 14

Which of the following parameters are the same for all hydrogen-like atoms and ions in their ground states?

radius of the orbit

speed of the electron

energy of atom

orbital angular momentum of the electron

Q. 15

A

B

C

D

Q. 16

X-rays incident on a material

exerts a force on it

transfers energy to it

transfers momentum to it

transfers impulse to it

Q. 17

The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV. The stopping potential in volts is :

2

4

6

10

Q. 18

A

B

C

D

Q. 19

A

B

C

D

Q. 20

A

B

C

D

Q. 21

A

B

C

D

Q. 22

A

B

C

D

Q. 23

A

B

C

D

Q. 24

A

B

C

D

Q. 25

A

B

C

D

Q. 26

A

B

C

D

Q. 27

a

b

c

d

Q. 28

A

B

C

D

Q. 29

A

B

C

D

Q. 30

A

B

C

D

Q. 31

A

B

C

D

Q. 32

A

B

C

D

Q. 33

A

B

C

D

Q. 34

A

B

C

D

Q. 35

A

B

C

D

Q. 36

A

B

C

D

Q. 37

A

B

C

D

Q. 38

A

B

C

D

Q. 39

A

B

C

D

Q. 40

A

B

C

D

PHYSICS QUIZ 94 (MODERN PHYSICS)

Marks: 200