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

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

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.
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

The reciprocal of resistance is :

A
conductance
B
reactance
C
mobility
D
conductivity
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Two copper vessels A and B have the same base area but of different shapes. A takes twice the volume of water as that B requires to fill upto a particular common height. Then the correct statement among the following is :

A
Vessel B weighs twice that of A.
B
Pressure on the base area of vessels A and B is same.
C
Pressure on the base area of vessels A and B is not same.
D
Both vessels A and B weigh the same.
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