Physics Questions and Answers
General Knowledge Physics Questions with Answers focus on principles and concepts of physics. Common in SSC, UPSC, and Banking exams, they help candidates strengthen scientific reasoning and problem-solving skills
Physics
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77 questions
71. Planets are
- luminous heavenly bodies revolving around a star
- non-luminous heavenly bodies
- luminous heavenly bodies that twinkle
- luminous heavenly bodies that do not twinkle
72. Mica is used in electrical appliances such as electric iron because mica is
- a good conductor of heat but a bad conductor of electricity
- a bad conductor of heat but a good conductor of electricity
- a good conductor of heat as well as electricity
- a bad conductor of heat as well as electricity
73. It is easier to roll a barrel full of coal tar than to pull it because
- the full weight of the barrel comes into play when it is pulled
- the rolling friction is much less than the sliding friction
- more surface area of the barrel is in contact with the road when it is pulled
- coal tar is a liquid and it flows in the barrel when it is rolled
74. Minimum number of unequal vectors which can give zero resultant are
- two
- three
- four
- more than four
75. Intensity of sound has
- an object existence
- a subject existence
- no existence
- both subjective and objective existence
76. Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from
- east
- west
- northeast
- southeast
77. An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is
- 1200 m
- 0.33 km
- 3.33 km
- 33 km