1
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The relation obeyed by a perfect gas during an adiabatic process is $$\mathrm{PV}^{3 / 2}$$. The initial temperature of the gas is '$$\mathrm{T}$$'. When the gas is compressed to half of its Initial volume, the final temperature of the gas is

A
$$2 \sqrt{2} \mathrm{~T}$$
B
$$4 \mathrm{~T}$$
C
$$\sqrt{2} \mathrm{~T}$$
D
$$2 \mathrm{~T}$$
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the additional energy that should be supplied to a moving electron to reduce its de Broglie wavelength from $$1 \mathrm{~nm}$$ to $$0.5 \mathrm{~nm}$$ ?

A
Four times its initial energy.
B
Five times its initial energy.
C
Two times its initial energy.
D
Three times its initial energy.
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A convex lens of focal length $$\mathrm{T}$$ is used to form an image whose size is one fourth that of size of the object. Then the object distance is

A
2f
B
5f
C
4f
D
3f
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle at rest starts moving with a constant angular acceleration of $$4 \mathrm{~rad} / \mathrm{s}^2$$ in a circular path. At what time the magnitude of its centripetal acceleration and tangential acceleration will be equal?

A
$$\frac{1}{4} \mathrm{~S}$$
B
$$\frac{2}{3} \mathrm{~S}$$
C
$$\frac{1}{2} \mathrm{~S}$$
D
$$\frac{1}{3} \mathrm{~S}$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12