1
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If a body dropped freely from a height of 20 m reaches the surface of a planet with a velocity of $31.4 \mathrm{~ms}^{-1}$. then the length of a simple pendulum that ticks seconds on the planet is
A
1 m
B
0.625 m
C
2.5 m
D
2 m
2
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two stars of masses $M$ and $2 M$ that are at a distance $d$ apart, are revolving one around another. The angular velocity of the system of two stars is ( $G$-Universal gravitational constant)
A
$\sqrt{\frac{4 G M}{d^3}}$
B
$\sqrt{\frac{2 G M}{d^3}}$
C
$\sqrt{\frac{9 G M}{d^3}}$
D
$\sqrt{\frac{3 G M}{d^3}}$
3
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A block of mass 2 kg is tied to one end of a 2 m long metal wire of $1.0 \mathrm{~mm}^2$ area of cross-section and rotated in a vertical circle such that the tension in the wire is zero at the highest point. If the maximum elongation in the wire is 2 mm , the Young's modulus of the metal is

(Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

A
$1.0 \times 10^{11} \mathrm{Nm}^{-2}$
B
$1.2 \times 10^{11} \mathrm{Nm}^{-2}$
C
$2.0 \times 10^{11} \mathrm{Nm}^{-2}$
D
$0.2 \times 10^{11} \mathrm{Nm}^{-2}$
4
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A big liquid drop splits into $n$ similar small drops under isothermal conditions, then in the process
A
volume decreases
B
total surfaces area decrease
C
energy is absorbed
D
energy is liberated
EXAM MAP