PPSC Physics Topic 7 MCQ Test With Answer

Prepare Modern Physics and all other important topics with PPSC Physics online test. Modern Physics is a term that is used to describe all the discoveries and observations that made physicists rethink their understanding of Physics in the 19th and 20th centuries. In this day and age, one can't study Physics without having a firm understanding of concepts of Modern Physics. That’s why seekers for PPSC Physics jobs need to understand the subject of Modern Physics. Examiners ask many questions from this topic in the PPSC Physics test.

To make the PPSC exam preparation easier for you, team IlmKiDunya.com has created the PPSC Physics online test portal. On this page, you can attempt the PPSC online test MCQs about Modern Physics. Many students complain that they don’t find information about the PPSC Physics exam preparation. We at IlmKiDunya.com bring PPSC online test to your fingertips so you can prepare quickly for the test.

MCQ's Test For PPSC Physics Topic 7 Modern Physics

Try The MCQ's Test For PPSC Physics Topic 7 Modern Physics

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PPSC Physics Topic 7 Modern Physics

00:00
Question # 1

When Be is bombarded by alpha particles, then we obtain

Question # 2

Half life and mean lifetime of a radioactive element are.

Question # 3

The part of theory of relativity which deals with accelerated bodies is called.

Question # 4

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

Question # 5

The bunding energy per nucleon for iron is.

Question # 6

The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.

Question # 7

When using the formula E = h lambda what unit should energy have.

Question # 8

Which one of the following has maximum frequency.

Question # 9

Which one of the following gates in a a universal gate.

Question # 10

The resistance between(+) and (-) inputs of an amplifier is.

Question # 11

In heavy atims the electrons are assumed to be arranged in.

Question # 12

Which of the following circuits is used as local oscillator in radio receivers.

Question # 13

Why is a capacitor resistor combination used in oscillators in grid circuit.

Question # 14

The energy in an electromagnetic wave is carried in the units called.

Question # 15

The unit of Rydberg constant R is

Question # 16

Which of the following is its own anti particle.

Question # 17

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

Question # 18

The path of electron in Rutherford atomic model according to classical theory a.

Question # 19

Atomic reactor is based on

Question # 20

Critical mass is the minimum mass needed for

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 At high temperature a body generally emits redactions of.
A. Small wavelengths
B. Long wavelengths
C. Moderates wavelengths
D. Zero wavelengths
2 Alpha particles emitted from a radioactive material are.
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
3 Which of the following is the most commonly used regions of operations for a transistor.
A. Cut off
B. Saturation
C. Active
D. All of these
4 At what speed the mass of a body will be doubled.
A. 0.67 C
B. 0.77 C
C. 0.87 C
D. 0.97 C
5 The value of open loop gain for the amplifier is
A. zero
B. very low
C. very high
D. of an intermediate vaue
6 A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.
A. 25 g
B. 50 g
C. 75 g
D. 100 g
7 Which both elements are good for nuclear fission.
A. Thorium an uranium
B. Thorium and radium
C. Plutonium and uranium
D. Plutonium and throrium
8 In de Brogile model electron orbit must form
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
9 Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
A. mouse
B. Cat
C. Dog
D. Rabbit
10 Which one of the following gates in a a universal gate.
A. OR
B. AND
C. NOT
D. NAND

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