|Physics MCQs Question Answers|
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Physics Question Answers MCQs For Jobs Test
Physics Objective Type MCQs For PPSC Interviews
Q.1: When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is-------- ?
Q.2: When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is------- ?
- Vibratory motion
- Linear motion
- Rotatory motion
- Angular motion
Q.3: Irregular flow of fluid is called----------- ?
Q.4: S.I unit of frequency is--------- ?
- Vibration S-2
Q.5: Total number of series in hydrogen spectrum is------- ?
Q.6: Bernoulli’s equation is obtained by applying the law of conservation of --------- ?
Q.7: If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from-------- ?
- chromatic aberration
- spherical aberration
- both spherical and chromatic
Q.8: Reflecting mirrors in laser is used to--------- ?
- Further stimulation
- Lasing more
- For producing more energetic lasers
- None of these
Q.9: In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is--------- ?
- impossible to predict
Q.10: Metabolism is the name of a process in which energy transformation takes place within--------- ?
- Heat engine
- Human body
Q.11: In which process all the heat supplied is converted into work done ?
Q.12: A body will be in complete equilibrium when it is satisfying--------- ?
- 1st condition of equilibrium
- 2nd condition of equilibrium
- Both Ist and 2nd condition of equilibrium
Q.13: It is easier to turn a steering wheel with both hands than with a single hand because------- ?
- Accelerating force increases on the wheel
- Two forces act on the wheel
- Two hands provide a firm grip
- The couple acts on the wheel
Q.14: Three coplanar forces acting on a body keep it in equilibrium. They should therefore be-------- ?
Q.15: The velocity of an oscillating charge as it moves to and fro along a wire is always------ ?
Q.16: The direction of the vector product is given by--------- ?
- Head to tail rule
- Right-hand rule
- Left-hand rule
- Triangular rule
Q.17: Which one is not a type of dynamic equilibrium ?
- Rotational equilibrium
- Translational equilibrium
- Static equilibrium
- Both A and C are corret answer
Q.18: Radioactive decay obeys which one of the following law ?
Q.19: The SI unit of Heat is------ ?
Q.20: The physics of moving charge particles is known as------- ?
- Plasma physics