1
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An object of mass $m$ at a distance of $20 R$ from the centre of a planet of mass $M$ and radius $R$ has an initity velocity $u$. The velocity with which the object hits the surface of the planet is

( $G$-Universal gravitational constant)

A
$\left[u^{2}+\frac{19 G M}{10 R}\right]^{\frac{1}{2}}$
B
$\left[u^{2}+\frac{19 G m}{10 R}\right]^{\frac{1}{2}}$
C
$\left[u^{2}-\frac{19 G M}{10 R}\right]^{\frac{1}{2}}$
D
$\left[u^{2}-\frac{19 G m}{10 R}\right]^{\frac{1}{2}}$
2
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A simple pendulum is made of a metal wire of length $L$, area of cross-section $A$, material of Young's modulus $Y$ and a bob of mass $m$. This pendulum is hung in abus moving with a uniform speed $v$ on a horizontal circular road of radius $R$. The elongation in the wire is
A
$\frac{m L}{R A Y} \sqrt{g^{2} R^{2}+v^{4}}$
B
$\frac{m g L}{A Y}$
C
$\frac{m L v^{2}}{R A Y}$
D
$\frac{L}{A Y} \sqrt{m g+\frac{m v^{2}}{R}}$
3
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If the excess pressures inside two soap bubbles are in the ratio $2: 3$, then the ratio of the volumes of the somp bubbles is
A
$3: 2$
B
$9: 4$
C
$27: 8$
D
$81: 16$
4
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The velocities of air above and below the surfaces of a flying aeroplane wing are $50 \mathrm{~ms}^{-1}$ and $40 \mathrm{~ms}^{-1}$, respectively. If the area of the wing is $10 \mathrm{~m}^{2}$ and the mass of the aeroplane is 500 kg , then as time passes of (density of air $=13 \mathrm{~kg} \mathrm{~m}^{-3}$ )
A
the aeroplane will gain altitude
B
the aeroplane will experience weightlessness
C
the aeroplane will fly horizontally
D
the aeroplane will loose altitude
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12