1
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In hydrogen spectrum, the ratio of wavelengths of the last line of Lyman series and that of the last line of Balmer series is

A
1
B
0.5
C
0.25
D
0.2
2
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

For a perfectly black body, coefficient of emission is

A
zero.
B
unity.
C
less than one (non-zero).
D
infinity.
3
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The potential difference $\left(V_A-V_B\right)$ between the points A and B in the given figure is

MHT CET 2025 20th April Morning Shift Physics - Current Electricity Question 26 English
A
6 V
B
-3 V
C
9 V
D
3 V
4
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following person is in an inertial frame of reference?

A
A person (man) in a train which is slowing down to stop.
B
A person (child) revolving in a merry-goround.
C
A person (driver) in a bus which is moving with constant velocity.
D
A person (pilot) in an aeroplane which is taking off.

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