10th Class Physics chapter 9 English Medium Online MCQ Test With Answer

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MCQ's Test For Chapter 9 "Atomic and Nuclear Physics"

Try The MCQ's Test For Chapter 9 "Atomic and Nuclear Physics"

  • Total Questions12

  • Time Allowed15

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Atomic and Nuclear Physics

00:00
Question # 1

The equivalent resistance of a parallel combination is:

Question # 2

Safe limit of radiations exposure in one year.

Question # 3

The half life of Lead Pb is

Question # 4

When a uranium (92 protons) ejects a beta particle, how many protons are left in the remaining nucleus?

Question # 5

The rating of a fuse wire is always expressed in:

Question # 6

the resistance of conductor is inversely to:

Question # 7

If we double both the current and the voltage in a circuit while keeping its resistance constant, the power:

Question # 8

What happen to the atomic number of an element which emits one alpha particle and a beta particles.

Question # 9

The phenomenon in which radiations convert the matter into positive and negative ions is called:

Question # 10

As the temperature of a conductor rises, its resistance:

Question # 11

earth wire is connected with those appliances whose casing is made of:

Question # 12

When 1 tonne of coal is burnt then amount of energy is released .

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Solved MCQs File

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10th Class (English Medium) Physics Chapter 9 Important MCQ's

Sr.# Question Answer
1 The half life of Lead Pb is
A. 10 hour
B. 10.10 hours
C. 10.6 hours
D. 1 year
2

The equivalent resistance of a parallel combination is:
A.

Equal to sum of all resistance

B.

Is greater than the largest resistance of combination

C.

Is smaller than the smallest resistance of combination

D.

All of these
3 The half life of radium - 226 is 1620 years. If N is its total amount then after the four half lives, its left amount will be:
A. 1/2 N
B. 1/4 N
C. 1/8 N
D. 1/16 N
4 The half life of radium 226 is
A. 1600 year
B. 1610 years
C. 1620 years
D. 1630 years
5

The power of small fan is:
A.

40 W

B.

50 W

C.

60 W

D.

80 W
6

Watt is equal to:
A.

Coulomb per second

B.

Newton per second

C.

Volt per second

D.

Joule per second
7

The galvanometer has been named after the scientist:
A.

Lewis

B.

Lowry bronsted

C.

Luigi Galvano

D.

Galvano Einstein
8 When 1 kg of Uranium -235 is fused then energy released is
A. 67 x 1010 J
B. 67 x 107J
C. 67 J
D. 7 J
9 The Half life of a certain isotopes is 1 day. What is the quantity of isotopes after 2 days?
A. One half
B. One quarter
C. One eight
D. None of these
10 What happen to the atomic number of an element which emits one alpha particle and a beta particles.
A. Increases by 1
B. Stay the same
C. Decrease by 2
D. Decrease by 1

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