MEDIUM
RRC Group D CBT
IMPORTANT
Earn 100

A person of height h standing at the centre of the room looking towards plane mirror hangs on the wall can see the whole height of the wall behind him if the length of the mirror is _____.

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Important Questions on General Science

MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 52
One cannot see through fog because:
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 53
Current in a conductor is due to:
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 54
A dynamo _____.
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 55
The period of revolution of a geo-stationary satellite is-
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 56
A gradual rise in barometer height indicates-
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 57
The phenomenon of total internal reflection may occur when light is passing from:
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 58
As the train starts moving, a man sitting inside leans backwards because of-
MEDIUM
RRC Group D CBT
IMPORTANT
RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 59
If a train were to move with velocity of light, its length would be _____.