1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In non-rigid diatomic molecule with an additional vibrational mode

A
$$81 C_V^2=49 C_p^2$$
B
$$49 C_V^2=25 C_p^2$$
C
$$49 C_V^2=81 C_p^2$$
D
$$25 C_V^2=49 C_p^2$$
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Speed of sound in air near room temperature is approximately

A
$$3.4 \times 10^2 \mathrm{~ms}^{-1}$$
B
$$34 \mathrm{~ms}^{-1}$$
C
$$34 \mathrm{~kms}^{-1}$$
D
$$3.4 \mathrm{~km} \mathrm{~s}^{-1}$$
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The radii of curvature of a double convex lens are 4 cm and 8 cm . If the refractive index of the material of the lens is 1.5 , the focal length of the lens is nearly.

A
16 cm
B
12.11 cm
C
7.33 cm
D
5.33 cm
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

When monochromatic light of wavelength 600 nm is used in Young's double slit experiment, the fifth order bright fringe is formed at 6 mm from the central bright fringe on the screen. If the experiment is conducted with light of wavelength 400 nm from the central bright fringe, the third order bright fringe will be located at

A
1.6 mm
B
2 mm
C
2.4 mm
D
3 mm
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