1
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A black sphere has radius '$$R$$' whose rate of radiation is '$$E$$' at temperature '$$T$$'. If radius is made $$R / 3$$ and temperature '$$3 T$$', the rate of radiation will be

A
E
B
3E
C
6E
D
9E
2
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A gas at normal temperature is suddenly compressed to one-fourth of its original volume. If $$\frac{\mathrm{C}_{\mathrm{p}}}{\mathrm{C}_{\mathrm{v}}}=\gamma=1.5$$, then the increase in its temperature is

A
273 K
B
373 K
C
473 K
D
573 K
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

About black body radiation, which of the following is the wrong statement?

A
For all wavelengths, intensity is same.
B
For shorter wavelengths, intensity is more.
C
For longer wavelengths, intensity is less.
D
All wavelengths are emitted by a black body.
4
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a gas, $$\frac{\mathrm{R}}{\mathrm{C}_{\mathrm{v}}}=0 \cdot 4$$, where $$\mathrm{R}$$ is universal gas constant and $$\mathrm{C}_{\mathrm{v}}$$ is molar specific heat at constant volume. The gas is made up of molecules which are

A
rigid diatomic
B
monoatomic
C
non-rigid diatomic
D
polyatomic
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12