Mcq in general science


Page-8

Gen. Science

102)Planet is a
luminous body with its own light non luminous body that does not have its own light
luminous body that twinkle none of these
Answer :

103)A small hole in the window forms an inverted image on the opposite wall due to
the fact that light suffer lateral inversion on entering the hole the hole acts as a convex lens
the rectilinear propagation of light the hole acts as a prism
Answer :

104)A solar eclipse occurs when
the moon comes in between the sum and the earth the sun comes in between the moon and the earth
the earth comes in between the sun and the moon none of these
Answer :

105)A lunar eclipse occurs when
the moon comes in between the sum and the earth the sun comes in between the moon and the earth
the earth comes in between the sun and the moon none of these
Answer :

106)During the total solar eclipse which part is visible?
no part corona
chromosphere photosphere
Answer :

107)The image of an object formed by plane mirror
can be obtained on a screen is virtual
is inverted shorter than the object
Answer :

108)The minimum length of a plane mirror where one can see his full image is
one fourth of the height of the person half of the height of the person
equal to the height of the person more than the height of the person
Answer :


109)If one approaches a plane mirror at the speed of 15cm/s than his image will be approaching him at speed of
15cm/s 20cm/s
30cm/s 25cm/s
Answer :

110)Which one of the following mirrors is suitable to obtain real image of an object?
plane mirror concave mirror
convex mirror no mirror can produce real image
Answer :

111)Which one of the following can be used as burning glass?
plane mirror concave mirror
convex mirror concave lens
Answer :

112)The dentist\'s mirror is a
concave mirror convex mirror
plane mirror none of these
Answer :

113)For the rear view, motorists use
concave mirror convex mirror
plane mirror none of these
Answer :

114)The first evidence of the \'Big - Bang\' theory was given by
Albert Einstein Edward Hubble
Stephen Hawking S.N Bose
Answer :

115)The gas produced during lightning is
Nitrous Oxide Nitric Oxide
Oxygen Nitrogen Dioxide
Answer :

116)Electron was discovered by
Delton Bohr
Rutherford J. J. Thomson
Answer :

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