PPSC Physics Practice Test – Important MCQs with Correct Answers
PPSC lecturer jobs are very popular among the university graduates of Punjab. These posts allow able-minded persons to impart education with their knowledge and experience. But things get difficult for PPSC Physics applicants when they don’t find enough information about the test. Lack of PPSC Physics Exam preparation material hinders the applicants to showcase their abilities. Many students find it difficult to obtain relevant information. But we at IlmKiDunya.com make it easier for you to prepare for the PPSC Physics test by providing you free mock tests. By taking these tests, you can learn a lot of things to perform exceptionally well in the exam. Attempt the up-to-date MCQs of Physics so you can pass the PPSC Physics test with flying colors.
PPSC Physics Exam Free Preparation
If you are looking for a free PPSC Physics test, you are in the right place. Click on the chapter-wise tests given to prepare for the test by attempting the most-relevant MCQs. The questions are provided in a chapter-wise test so you can improve your preparation for the exam on a chapter-wise basis. It gets lonely when you are the only one preparing for the exams, isn’t it? On IlmKiDunya.com PPSC physics online test preparation portal, you can compare your test results with other candidates. The comments section is also open for you to share tips and find relevant information about the PPSC Physics test.
The variation of focal length of a lens when we pass from the central portion to periphery is called.
Question # 2
Which of the following can be used visualize the third law thermodynamics
Question # 3
The dimensions of force are.
Question # 4
X-rays are absorbed maximum by
Question # 5
A LASER beam may be used to measure very large distance because it is.
Question # 6
When a ray of light travelling in a denser medium enters into a rarer medium.
Question # 7
Highly conducting state of matter is
Question # 8
Which is the best sound source to produce a pure note.
Question # 9
A ball is thrown straight up What is its acceleration just before it reaches the highest point.
Question # 10
When a helium atom loses an electron it becomes.
Question # 11
Why does a transformer have a core made of iron.
Question # 12
The term used for heat capacity per unit mass is.
Question # 13
If temperature of the sink is decreased the efficiency of a Carnot engine
Question # 14
Which of the following is a conserfative force.
Question # 15
The loudness of a sound depends on its
Question # 16
If the K.E. of a body becomes 4 times of its initial value, the new momentum will be
Question # 17
If an elevator is moving vertically up with an acceleration 'a' the force exerted on the floor by a passing of mass 'm' is
Question # 18
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 19
Compton scattering experiment seemed to indicate that radiation had
Question # 20
Pitch of the sound determines
Question # 21
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
Question # 22
When the temperature of source and sink of a heat engine become equal the entropy change will be.
Question # 23
Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
Question # 24
What happens to a soap bubble, when some charge is given to it.
Question # 25
An electric motor could be used as a
Question # 26
Slip Rings are used in
Question # 27
Mean free path in a gas is the
Question # 28
X-rays travel with
Question # 29
For polarization , the direction of oscillation has to be perpendicular to the direction of travel sound waves are longitudinal waves so they cannot be.
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Sr.#
Question
Answer
1
Image formed by a concave lens is.
A. Real
B. Magnified
C. Virtual
D. Real and magnified
2
Which vector gives the displacement from one point to another in space.
A. Position vector
B. Unit vector
C. Null vector
D. Distance vector
3
The half life of uranium -238 is
A. 1620 years
B. 4.5 x 109 years
C. 3-8 days
D. 23.5 minutes
4
The SI unit of solid angle is
A. Degree
B. Radian
C. Steradian
D. Candala
5
When a body is lifted through a height 'h' the work done on the body appears in the form of.
A. K.E
B. P.E
C. Heat
D. Density
6
the gain of an amplifier is independent of
A. The two externally connected resistances
B. What is happening inside the amplifier
C. Internal structure of the amplifier
D. All of the above
7
Minor losses through values, fittings, bends etc are modeled as proportional to
A. Velocity head
B. Static head
C. total head
D. Pressure drop
8
If there are no frictional effects, the mechanical energy of a system executing simple harmonic motion.
A. Changes with time
B. Is variable
C. Is constant
D. Is not conserved
9
The ratio of average induced emf to the rate of changing of current in the coil is called.
A. Self induction
B. Mutual induction
C. Self inductance
D. Mutual inductance
10
A given mass of air occupies 12 m2 at normal atmospheric pressure if the pressure is increased to 4 times the original value without changing the temperature what volume will the air occupy.
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