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In this website each webpage contains minimum 10 mcqs and maximum upto 30 mcqs (objective type questions), one liner questions etc.
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Physics MCQs | Objective Type Questions SET-17
Q1. Lamberts law is related to
(a) Reflection
(b) Refraction
(c) Interference
(d) illumination
Ans. : d
Q2. Which of the following laws validates the statement that matter can neither be created nor destroyed?
(a) Law of conservation of energy
(b) Le Chateliers Principle
(c) Law of conservation of mass
(d) Law of osmosis
Ans. : c
Q3. Decibel is the unit used for
(a) Speed of light
(b) Intensify of heat
(c) Intensity of sound
(d) Radio wave frequency
Ans. : c
Q4. The term Isoneph indicates the lines of equal
(a) cloudiness
(b) salinity
(c) rainfall
(d) pressure
Ans. : a
Q5. The atmospheric layer reflecting radio waves is called
(a) Ozonosphere
(b) Ionosphere
(c) Stratosphere
(d) Mesosphere
Ans. : b
Q6. Cryogenics is a science dealing with
(a) high temperatures
(b) low temperatures
(c) friction and wear
(d) growth of crystals
Ans. : b
Q7. The mass energy relation is the outcome of
(a) quantum theory
(b) general theory of relativity
(c) field theory of energy
(d) special theory of relativity
Ans. : d
Q8. Which of the following are used for accurately measuring very small time intervals?
(a) Pulsars
(b) Quartz clocks
(c) Atomic clocks
(d) White dwarfs
Ans. : c
Q9. Danger signals are generally red as red light
(a) is least bright
(b) undergoes least deviation
(c) has lowest velocity
(d) gives comfort to eye
Ans. : b
Q10. A simple microscope consists of
(a) a short focus convex lens
(b) a long focus convex lens
(c) a short focus concave lens
(d) a long focus concave lens
Ans. : a
