1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A rigid body rotates with an angular momentum L. If its rotational kinetic energy is made four times, its angular momentum will become

A
4 L
B
16 L
C
$$\sqrt2$$ L
D
2 L
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A radioactive sample has half-life of 5 years. The percentage of fraction decayed in 10 years will be

A
25%
B
50%
C
75%
D
100%
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Three coils of inductance $$\mathrm{L}_1=2 \mathrm{H}, \mathrm{L}_2=3 \mathrm{H}$$ and $$\mathrm{L}_3=6 \mathrm{H}$$ are connected such that they are separated from each other. To obtain the effective inductance of 1 henry, out of the following combinations as shown in figure, the correct one is

MHT CET 2023 13th May Morning Shift Physics - Electromagnetic Induction Question 27 English
A
S
B
P
C
R
D
Q
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A Carnot engine has the same efficiency between (i) $$100 \mathrm{~K}$$ and $$600 \mathrm{~K}$$ and (ii) $$\mathrm{T} \mathrm{K}$$ and $$960 \mathrm{~K}$$. The temperature $$\mathrm{T}$$ in kelvin of the sink is

A
120
B
160
C
240
D
320
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