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

The ratio of the radius of gyration of a thin uniform disc about an axis passing through its centre and normal to its plane to the radius of gyration of the disc about its diameter is

A
2 : 1
B
$$\sqrt2$$ : 1
C
4 : 1
D
1 : $$\sqrt2$$
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The peak voltage of the ac source is equal to

A
The value of voltage supplied to the circuit
B
The rms value of the ac source
C
$$\sqrt2$$ times the rms value of the ac source
D
1/$$\sqrt2$$ times the rms value of the ac source
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The energy that will be ideally radiated by a 100 kW transmitter in 1 hour is

A
36 $$\times$$ 107 J
B
36 $$\times$$ 104 J
C
36 $$\times$$ 105 J
D
1 $$\times$$ 105 J
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

In a Young's double slit experiment, a student observes 8 fringes in a certain segment of screen when a monochromatic light of 600 nm wavelength is used. If the wavelength of light is changed to 400 nm, then the number of fringes he would observe in the same region of the screen is

A
6
B
8
C
9
D
12
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