300 Physics questions MCQ for SSC

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300 Physics questions and Answers MCQ for SSC / UPSC / PSC / UGC NET/ SET/ for All Competitive Exams Practice Online free

 

46 .A man cannot see clearly beyond 10 meters. The diseasehe suffers from :
A.  Far sight
B.  Myopia
C.  Cataract
D.  Hyper metropia
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47 .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
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48 .One Kilowatt hour is equal
A.  6 Mega Joule
B.  8 Mega Joule
C.  2 Mega Joule
D.  0 Mega Joule
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49 .A gas thermometer is more sensitive than a liquidthermometer because a gas :
A.  is lighter than liquid
B.  expands more than a liquid
C.  is easy to obtain
D.  does not change state easily
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50 .Electrostatic precipitator is used to control the pollutionof
A.  air
B.  water
C.  noise
D.  thermal
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51 .For which Diode is used ?
A.  modulation
B.  oscillation
C.  amplification
D.  purification
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52 .A rearview mirror for driving is
A.  plain
B.  concave
C.  convex
D.  inverted
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53 .What is found in frequency modulation?
A.  Fixed frequency
B.  Fixed dimension
C.  Change In frequency and dimension
D.  Change in dimension only
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54 .The splitting of different colours of light in a prism is :
A.  Reflection of light
B.  Dispersion of light
C.  Diffraction of light
D.  Refraction of light
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55 .A storm is predicted if atmospheric pressure
A.  rises suddenly
B.  rises gradually
C.  falls suddenly
D.  falls gradually
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56 .The term Isoneph indicates the lines of equal
A.  cloudiness
B.  salinity
C.  rainfall
D.  pressure
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57 .When the speed of car is doubled then what will be thebraking force of the car to stop it in the same distance ?
A.  four times
B.  two times
C.  half
D.  one fourth
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58 .When a person walking in bright Sunlight enters a darkroom he is not able to see clearly for a little whilebecause
A.  the eye muscles cannot immediately adjust the focallength of the eye lens.
B.  the retina retains the bright images for sometime andbecomes momentarily insensitive.
C.  the iris is unable to contract the pupil immediately
D.  the iris is unable to dilate the pupil immediately
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59 .Heat transfer horizontally within the atmosphere Iscalled
A.  Conduction
B.  Convection
C.  Absorption
D.  Advection
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60 .For a person having hyper metropia the near point is
A.  greater than 25 cm
B.  greater than 50 cm
C.  less than 25 cm
D.  infinity
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