1
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The escape velocity of a body from a planet of mass $M$ and radius $R$ is $14 \mathrm{~km} \mathrm{~s}^{-1}$. The escape velocity of the body from another planet having same mass and diameter 8 R (in $\mathrm{km} \mathrm{s}^{-1}$ ) is

A

7

B

10.5

C

14

D

28

2
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The stress-strain graph of two wires $A$ and $B$ is shown in the figure. If $Y_A$ and $Y_B$ are Young's moduli of materials of wires $A$ and $B$ respectively, then

AP EAPCET 2025 - 27th May Morning Shift Physics - Elasticity Question 1 English

A

$Y_A=3 Y_B$

B

$Y_A=Y_B$

C

$Y_B=3 Y_A$

D

$Y_B=2 Y_A$

3
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If two soap bubbles each of radius 2 cm combine in vacuum under isothermal conditions, then the radius of the new bubble formed is

A

$\sqrt{2} \mathrm{~cm}$

B

$2 \sqrt{2} \mathrm{~cm}$

C

0.5 cm

D

2 cm

4
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A rectangular slab consists of two cubes of copper and brass of equal sides having thermal conductivities in the ratio $4: 1$. If the free face of brass is at $0^{\circ} \mathrm{C}$ and that of copper is at $100^{\circ} \mathrm{C}$, then the temperature of their interface is

A

$80^{\circ} \mathrm{C}$

B

$20^{\circ} \mathrm{C}$

C

$60^{\circ} \mathrm{C}$

D

$40^{\circ} \mathrm{C}$