1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Three discs $$\mathrm{x}, \mathrm{y}$$ and $$\mathrm{z}$$ having radii $$2 \mathrm{~m}, 3 \mathrm{~m}$$ and $$6 \mathrm{~m}$$ respectively are coated on outer surfaces. The wavelength corresponding to maximum intensity are $$300 \mathrm{~nm}, 400 \mathrm{~nm}$$ and $$500 \mathrm{~nm}$$ respectively. If $$\mathrm{P}_{\mathrm{x}}, \mathrm{P}_{\mathrm{y}}$$ and $$\mathrm{P}_{\mathrm{z}}$$ are power radiated by them respectively then

A
$$\mathrm{P}_{\mathrm{X}}$$ is maximum
B
$$\mathrm{P}_{\mathrm{Z}}$$ is maximum
C
$$\mathrm{P}_{\mathrm{y}}$$ is maximum
D
$$\mathrm{P_x=P_y=P_z}$$
2
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

When the rms velocity of a gas is denoted by '$$v$$', which one of the following relations is true?

($$\mathrm{T}=$$ Absolute temperature of the gas.)

A
$$\frac{\mathrm{v}^2}{\mathrm{~T}}=$$ constant
B
$$\mathrm{v}^2 \mathrm{T}=$$ constant
C
$$\mathrm{vT}^2=$$ constant
D
$$\frac{\mathrm{v}}{\mathrm{T}^2}=$$ constant
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

A monoatomic gas $$\left(\gamma=\frac{5}{3}\right)$$ initially at $$27^{\circ} \mathrm{C}$$ having volume '$$\mathrm{V}$$' is suddenly compressed to one-eighth of its original volume $$\left(\frac{\mathrm{V}}{8}\right)$$. After the compression its temperature becomes

A
580 K
B
1200 K
C
1160 K
D
927 K
4
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two monatomic ideal gases A and B of molecular masses '$$m_1$$' and '$$m_2$$' respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas A to that in gas B is given by

A
$$\sqrt{\frac{\mathrm{m}_2}{\mathrm{~m}_1}}$$
B
$$\frac{\mathrm{m}_1}{\mathrm{~m}_2}$$
C
$$\sqrt{\frac{\mathrm{m}_1}{\mathrm{~m}_2}}$$
D
$$\frac{\mathrm{m}_2}{\mathrm{~m}_1}$$
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12