1
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The molar specific heat capacity of a diatomic gas at constant pressure is $C$. The molar specific heat capadtr of a monoatomic gas at constant volume is
A
$\frac{2 C}{7}$
B
$\frac{3 C}{7}$
C
$\frac{C}{7}$
D
$\frac{4 C}{7}$
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two stretched strings $A$ and $B$ when vibrated together produce 4 beats per second. If the tension applied to the string $A$ increased. The number of beats produced per second is increased to 7. If the frequency of string $B$ is 480 Hz initially, the frequency of string $A$ is
A
473 Hz
B
476 Hz
C
484 Hz
D
487 Hz
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The focal length of a thin converging lens in air is 20 cm . When thefens is immersed in a liquid, it behaves like a concave lens of power 1 D . If the refractive index of the material of the lens is 1.5 . The refractive index of the liquid is
A
$5 / 3$
B
$4 / 3$
C
$5 / 4$
D
$7 / 4$
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In Young's double slit experiment with monochromatic light of wavelength 6000 A . The fringe width is 3 mm . If the distance between the screen and slits is increased by $50 \%$ and the distance between the slits is decreased by $10 \%$, then the fringe width is
A
12 mm
B
5 mm
C
6 mm
D
10 mm
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