Physics MCQs: Most Important Questions for Exams

McqsTestz.com has uploaded a comprehensive collection of Physics MCQs covering a wide range of topics including mechanics, thermodynamics, electromagnetism, optics, modern physics, waves, fluids, and more. Perfect for students preparing for exams such as matriculation, intermediate, competitive tests, Lecturer and university-level assessments.

Physics MCQs

The pressure exerted by a column of mercury 76cm high and at 0°C is called_______________?

A. 1 atmosphere

B. 1 Newton per square meter

C. 1 Pascal

D. data is insufficient

Metabolism is the name of a process in which energy transformation takes place within______________?

A. Heat engine

B. Human body

C. Atmosphere

D. Laboratory

We can produce heat by________________?

A. Frictional process

B. Chemical processes

C. Electrical processes

D. All of the above

At constant temperature the graph between V and 1/P is_____________?

A. Hyperbola

B. Parabola

C. A curve of any shape

D. A straight lime

The scales of temperature are based on two fixed points which are_________________?

A. The temperatures of water at 0? 100?C

B. The temperature of melting ice and boiling water at atmospheric pressure

C. The temperatures of ice cold and boiling water

D. The temperatures of frozen and boiling mercury

Temperature is a property which determines_________________?

A. How much heat a body contains

B. Whether a body will feel hot or cold to touch

C. In which direction heat will flow between two systems

D. How much total absolute energy a body has

Dimension of pressure is__________________?

A. MLT

B. ML-1T-1

C. ML-1T-2

D. ML-2T-2

The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?

A. The light emitting diodes

B. Photo diodes

C. Photo voltaic cell

D. Solar cells.

The rectangular voltage is an example of____________________?

A. An analogue waveform

B. Continuous wave form

C. Electronic waveform

D. A digital waveform

An OP-AMPs can amplify_______________?

A. D.C.

B. A.C.

C. Both A.C. & D.C.

D. None of the above

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