1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

An energy of 484 J is spent in increasing the speed of a flywheel from 60 rpm to 360 rpm. The moment of inertia of the flywheel is :

A
0.07 kg-m2
B
0.7 kg-m2
C
3.22 kg-m2
D
30.8 kg-m2
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Let R1 be the radius of the second stationary orbit and R2 be the radius of the fourth stationary orbit of an electron in Bohr's model. The ratio $${{{R_1}} \over {{R_2}}}$$ is :

A
4
B
0.25
C
0.5
D
2
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

During a cloudy day, a primary and a secondary rainbow may be created, then the :

A
secondary rainbow is due to single internal reflection and is formed above the primary one.
B
primary rainbow is due to double internal reflection and is formed above the secondary one.
C
primary rainbow is due to double internal reflection and is formed below the secondary one.
D
secondary rainbow is due to double internal reflection and is formed above the primary one.
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The reciprocal of resistance is :

A
conductance
B
reactance
C
mobility
D
conductivity
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