12th Class Physics Chapter Nuclear Radiations MCQs:

Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board.

Sindh -> 12th Class -> Physics -> Nuclear Radiations

Question:

Normally G.m counter uses potential different of

A: 10 Volt
B: 100 Volt
C: 1000Volt
D: 5000Volt
Answer: C
Maham

Question:

A device for actually observing the paths of alpha and beta particles is a

A: Cyclotron
B: G.M counter
C: M.spectrograph
D: Wilson cloud chamber
Answer: D
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Question:

Solid state detector work when they are

A: Forward biased
B: Reversed biased
C: Not biased
D: None of these
Answer: B
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Question:

The thin wire at the cathode of G.M tube act as

A: Cathode
B: Anode
C: Neutral
D: None
Answer: B
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Question:

Geiger muller counter uses

A: Alcohol only
B: Argon and alcohol
C: Argon
D: Bromine
Answer: B
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Question:

Geiger counter is a device to detect

A: Mass
B: Momentum
C: Charge
D: Radiation
Answer: D
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Question:

In wilson cloud chamber radiations become visible reflection of light from

A: Ions
B: Nuclear radiation
C: Glass window
D: Droplets of fog
Answer: D
Maham