1
MHT CET 2026 15th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A black disc has a radius 'R' and wavelength corresponding to the maximum intensity is '$\lambda$'. The emissive power (E) for the different radii and maximum wavelengths is directly proportional to
A
$R, \lambda$
B
$R^2, \lambda^{-4}$
C
$R^2, \lambda^{-2}$
D
$R^2, \lambda$
2
MHT CET 2026 15th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
About black body radiation, which one of the following is a WRONG statement?
A
For all wavelengths, power radiated is same
B
For shorter wavelengths, radiated power is more
C
for longer wavelengths, radiated power is less
D
All wavelengths are emitted by the black body
3
MHT CET 2026 15th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In thermodynamic isobaric process
A
change in internal energy is zero
B
work done is zero
C
change in internal energy is not zero
D
heat supplied is zero
4
MHT CET 2026 15th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A monoatomic gas is stored in a thermally insulated container and the gas is suddenly compressed to $\left(\dfrac{1}{8}\right)^{th}$ of its initial volume. The ratio of final pressure to initial pressure is
A
$16:1$
B
$40:1$
C
$32:1$
D
$28:1$

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