1
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The angular width of a fringe in a double slit experiment is found to be $0.2^{\circ}$ on a screen 1 m away the wavelength of light used is 600 nm . The change in angular width of the fringe, if the entire measurement system is immersed in water is [use refractive index of water as $4 / 3$ ]

A

$0.05^{\circ}$

B

$0.10^{\circ}$

C

$0.15^{\circ}$

D

$0.20^{\circ}$

2
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A large metal plate has a surface charge density of $8.85 \times 10^{-6} \mathrm{C} / \mathrm{m}^2$. An electron having initial kinetic energy of $8 \times 10^{-17} \mathrm{~J}$ is moving towards the centre of the plate. If the electron stops just before reaching the plate, then the initial distance between the electron and the plate is

[take $\varepsilon_0=8.85 \times 10^{-12} \mathrm{C}^2 / \mathrm{N}-\mathrm{m}^2$ ]

A

0.5 mm

B

0.1 mm

C

0.2 cm

D

0.02 cm

3
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The equivalent capacitance between points $A$ and $B$ is

TS EAMCET 2022 (Online) 18th July Evening Shift Physics - Capacitor Question 6 English

A

$5 / 6 \mathrm{C}$

B

$11 / 5 \mathrm{C}$

C

6 C

D

$5 / 11 \mathrm{C}$

4
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A cylindrical metallic wire is stretched to increase its length in such a way that the metallic wire changes its resistance by $6 \%$. The percentage increase in its length is

A

$2 \%$

B

$4 \%$

C

$3 \%$

D

$12 \%$

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