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

In Balmer series, wavelength of the $$2^{\text {nd }}$$ line is '$$\lambda_1$$' and for Paschen series, wavelength of the $$1^{\text {st }}$$ line is '$$\lambda_2$$', then the ratio '$$\lambda_1$$' to '$$\lambda_2$$' is

A
$$5: 128$$
B
$$5: 81$$
C
$$7: 27$$
D
$$9: 132$$
2
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A coil of '$$n$$' turns and radius '$$R$$' carries a current '$$I$$'. It is unwound and rewound again to make another coil of radius $$\left(\frac{\mathrm{R}}{3}\right)$$, current remaining the same. The ratio of magnetic moment of the new coil to that of original coil is

A
$$3: 1$$
B
$$1: 3$$
C
$$9: 1$$
D
$$1: 9$$
3
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An ink mark is made on a piece of paper on which a glass slab of thickness '$$t$$' is placed. The ink mark appears to be raised up through a distance '$$x$$' when viewed at nearly normal incidence. If the refractive index of the material of glass slab is '$$\mu$$' then the thickness of glass slab is given by

A
$$\frac{\mu \mathrm{x}}{\mu-1}$$
B
$$\frac{(\mu-1)}{\mu}$$
C
$$\frac{\mu-1}{\mu \mathrm{x}}$$
D
$$\frac{\mu}{(\mu-1) x}$$
4
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A spherical metal ball of radius '$$r$$' falls through viscous liquid with velocity '$$\mathrm{V}$$'. Another metal ball of same material but of radius $$\left(\frac{r}{3}\right)$$ falls through same liquid, then its terminal velocity will be

A
$$\frac{\mathrm{V}}{3}$$
B
$$\frac{V}{4}$$
C
$$\frac{\mathrm{V}}{6}$$
D
$$\frac{V}{9}$$
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