Test 31
General Science
English
Physics
Timer :
60
Your Score is
0
Correct Answer : + 1
Incorrect Answer : -0.25
Instructions
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The test consists of multiple-choice questions (MCQs).
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Each question has four options, out of which only one is correct.
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For each correct answer, one mark will be awarded.
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For each incorrect answer, 0.25 marks will be deducted.
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No marks will be given for unanswered questions.
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The test has a timer. If the time is up, your answers will be automatically submitted.
Q. 1
A system exhibiting S.H.M. must possess
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Q. 2
A needle or a pin floats on the surface of water because of
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Q. 3
Super conductors are substances that
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Q. 4
A thin oil film on a water surface appears coloured because of
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Q. 5
The ‘Greenhouse effect’ is mainly due to increase in atmospheric
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Q. 6
In a conductor
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Q. 7
The moment of inertia of a body does not depend upon its
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Q. 8
To open a door easily, the handle should be fixed
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Q. 9
Optical fibre works on the principle of
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Q. 10
The colours of stars depend on their
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Q. 11
The sky appears blue due to
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Q. 12
Which of the following devices can be used to detect radiant heat?
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Q. 13
In which one of the following the phenomenon of total internal reflection of light is used ?
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Q. 14
In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to
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Q. 15
The device used to convert solar energy into electricity is
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Q. 16
Light year is a unit of
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Q. 17
The word ‘insulation’ means
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Q. 18
While ascending a hill, the driver of the vehicle keeps the gear ratio
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Q. 19
Which of these waves can be polarized?
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Q. 20
A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct?
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