Physics MCQ

Q31.The SI unit for measuring work and energy is
(a) Joule
(b) Watt
(c) Farad
(d) Ohm

Q32. Charles's law is based on
(a) Solid
(b) Liquid
(c) Gas
(d) None of the above

Q33.An atom with more neutrons than protons is called
(a) Compound
(b) Element
(c) Isotope
(d) None of the above

Q34.When all the forces and torques are balanced in a mechanical body it is said to be in
(a) Equilibrium
(b) Static
(c) Buoyancy
(d) None of the above

Q35.The word "Physics" comes from the Greek word
(a) Phiji
(b) Fusis
(c) Phusik
(d) None of the above

Q36.If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be
(a) Double
(b) Same
(c) Half
(d) One Fourth

Q37.The tidal waves on sea is mainly due to
(a) Gravitational Effect of Moon on Earth
(b) Gravitational Effect of Sun on Earth
(c) Gravitational Effect of Earth on Moon
(d) None of the above

Q38.A ball pen function on the principle of
(a) Viscosity
(b) Capillarity
(c) Gravity
(d) Atmospheric pressure

Q39.The unit of force is a
(a) Derived Unit
(b) Basic Unit
(c) Fundamental Unit
(d) None of the above

Q40.The three famous law of Kepler is related to
(a) Optics
(b) Speed
(c) Oscillations
(d) Planetary Motion

Q41.Which of the following is not a vector quantity
(a) Acceleration
(b) Density
(c) Displacement
(d) Impulse

Q42.When a body is accelerated, then the velocity will be also
(a) Increase
(b) Decrease
(c) Constant
(d) None of the above

Q43.For a freely falling body, the sum of kinetic energy and potential energy is always
(a) Zero
(b) Unity
(c) Same
(d) Variable

Q44.If the earth syddenly stop rotating, the value of "g" will be
(a) Same
(b) Increase
(c) Decrease
(d) Become Zero

Q45.Which of the following is a vector
(a) Area
(b) Power
(c) Electric Current
(d) Energy

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