1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the potential difference across a capacitor is increased from $$5 \mathrm{~V}$$ to $$15 \mathrm{~V}$$, then the ratio of final energy to initial energy stored in the capacitor is

A
$$1: 3$$
B
$$27: 1$$
C
$$3: 1$$
D
$$9: 1$$
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A body of mass 'm' and radius of gyration 'K' has an angular momentum 'L'. Then its angular velocity is

A
$$\frac{\mathrm{L}}{\mathrm{mK}^2}$$
B
$$\frac{\mathrm{mK}^2}{\mathrm{~L}}$$
C
$$\frac{\mathrm{K}^2}{\mathrm{~mL}}$$
D
$$\mathrm{mK}^2 \mathrm{~L}$$
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In Young's double slit experiment, the intensity at a point where path difference is $$\frac{\lambda}{6}$$ ($$\lambda$$ being the wavelength of light used) is $$I^{\prime}$$. If '$$I_0$$' denotes the maximum intensity, then $$\frac{I}{I_0}$$ is equal to $$\left(\cos 0^{\circ}=1, \cos 60^{\circ}=\frac{1}{\lambda}\right)$$

A
$$\frac{\sqrt{3}}{2}$$
B
$$\frac{4}{3}$$
C
$$\frac{1}{\sqrt{2}}$$
D
$$\frac{1}{2}$$
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In Young's double slit experiment, the distance of $$\mathrm{n}^{\text {th }}$$ dark band from the central bright band in terms of bandwidth '$$\beta$$' is

A
$$\mathrm{n} \beta$$
B
$$(\mathrm{n}-1) \beta$$
C
$$(\mathrm{n}-0.5) \beta$$
D
$$(\mathrm{n}+0.5) \beta$$
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