1
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following pairs has same dimensions?
A
Current density and charge density
B
Angular momentum and linear momentum
C
Spring constant and surface energy
D
Force and torque
2
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The relation between time $t$ and distance $x$ of a particle is $t=a x^2+b x$, where $a$ and $b$ are constants. If $v$ is the velocity of the particle, then its acceleration is
A
$-2 a b v^2$
B
$2 b v^3$
C
$-2 a v^3$
D
$2 a v^2$
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A bomb is dropped on an enemy post on the ground by an aeroplane flying horizontally with a velocity of $60 \mathrm{kmh}^{-1}$ at a height of 490 m . At the time of dropping the bomb, the horizontal distance of the aeroplane from the enemy post, so that the bomb hits the target is
A
$\left(\frac{400}{3}\right) \mathrm{m}$
B
$\left(\frac{500}{3}\right) \mathrm{m}$
C
$\left(\frac{1700}{3}\right) \mathrm{m}$
D
498 m
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The angular speed of a particle moving in a circular path is doubled. Then, the centripetal acceleration of the particle is
A
4 times the initial centripetal acceleration
B
halved
C
doubled
D
unchanged
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