1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A metal rod cools at the rate of $$4{ }^{\circ} \mathrm{C} / \mathrm{min}$$ whon its temperature is $$90^{\circ} \mathrm{C}$$ and the rate of $$1{ }^{\circ} \mathrm{C} / \mathrm{m}{\text {in }}$$ when its temperature is $$30^{\circ} \mathrm{C}$$. The temperature of the surrounding is

A
$$20^{\circ} \mathrm{C}$$
B
$$15{ }^{\circ} \mathrm{C}$$
C
$$10^{\circ} \mathrm{C}$$
D
$$5^{\circ} \mathrm{C}$$
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The molecular mass of a gas having r.m.s. speed four times as that of another gas having molecular mass 32 is

A
2
B
4
C
16
D
32
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

At constant temperature, increasing the pressure of a gas by $$5 \%$$ its volume will decrease by

A
$$5 \%$$
B
$$5.26 \%$$
C
$$4.20 \%$$
D
$$4.70 \%$$
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The temperature of a gas is measure of

A
the average kinetic energy of gas molecules.
B
the average potential energy of gas molecules.
C
the average distance between the molecules of a gas
D
the size of the molecules of a gas
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12