1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A small sphere of radius ‘r’ falls from rest in a
viscous liquid. As a result, heat is produced
due to viscous force. The rate of production of
heat when the sphere attains its terminal velocity,
is proportional to
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
If the mass of the Sun were ten times smaller
and the universal gravitational constant were
ten times larger in magnitude, which of the
following is not correct?
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The fundamental frequency in an open organ
pipe is equal to the third harmonic of a closed
organ pipe. If the length of the closed organ
pipe is 20 cm, the length of the open organ
pipe is
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A tuning fork is used to produce resonance in
a glass tube. The length of the air column in
this tube can be adjusted by a variable piston.
At room temperature of 27°C two successive
resonances are produced at 20 cm and 73 cm
of column length. If the frequency of the tuning
fork is 320 Hz, the velocity of sound in air at
27°C is
Paper analysis
Total Questions
Biology
79
Chemistry
36
Physics
43
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