1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The work done in blowing a soap bubble of volume $V$ is $W$. The work done in blowing the bubble of volume 2 V from the same soap solution is
A
$\frac{W}{2}$
B
$\sqrt{2} W$
C
$(2)^{\frac{1}{3}} W$
D
$(4)^{\frac{1}{3}} W$
2
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A body thrown vertically upwards from the ground reaches a maximum height $h$. The ratio of the kinetic and potential energies of the body at a height $40 \%$ of $h$ from the ground is
A
$2: 3$
B
$3: 2$
C
$1: 1$
D
$4: 9$
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A block of mass $m$ with an initial kinetic energy $E$ moves up an inclined plane of inclination $\theta$. If $\mu$ is the coefficient of friction between the plane and the body, the work done against friction before coming to rest is
A
$\mu E \cos \theta$
B
$\frac{\mu E \cos \theta}{\sin \theta-\mu \cos \theta}$
C
$\frac{E \mu \cos \theta}{\cos \theta+\sin \theta}$
D
$\frac{\mu E \cos \theta}{\sin \theta+\mu \cos \theta}$
4
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A man of mass 80 kg goes to the market on a scooter of mass 100 kg with certain speed. On application of brakes, the stopping distance is $s_1$. The man returns home on the same scooter, with the same speed with a 60 kg bag of rice. If $s_2$ is the new stopping distance when the brakes are applied with the same force, then
A
$7 s_1=4 s_2$
B
$2 s_1=s_2$
C
$3 s_1=4 s_2$
D
$4 s_1=3 s_2$
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