1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

The system is pushed by a force $$F$$ as shown in figure. All surfaces are smooth except between $$B$$ and $$C$$. Friction coefficient between $$B$$ and $$C$$ is $$\mu$$. Minimum value of $$F$$ to prevent block $$B$$ from downward slipping is

VITEEE 2022 Physics - Laws of Motion Question 1 English

A
$$\left(\frac{3}{2 \mu}\right) m g$$
B
$$\left(\frac{5}{2 \mu}\right) m g$$
C
$$\left(\frac{5}{2}\right) \mu m g$$
D
$$\left(\frac{3}{2}\right) \mu m g$$
2
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A parallel plate capacitor with plate area $$A$$ and separation between the plates $$d$$ is charged by a constant current $$i$$. Consider a plane surface of area $$A / 2$$ parallel to the plates and drawn simultaneously between the plates. The displacement current through this area is

A
$$i$$
B
$$i/2$$
C
$$i/4$$
D
$$i/8$$
3
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A projectile is launched vertically from the earth with speed $$v_1$$ hits a satellite at the height $$h$$ moving with speed $$v_2$$. If both have the same mass $$m$$, then what is the common velocity if they move together after the collision?

A
$$v_1+v_2$$
B
$$\sqrt{v_1^2+v_2^2}$$
C
$$\frac{\sqrt{v_1^2+v_2^2}}{2}$$
D
$$2 \sqrt{v_1^2+v_2^2}$$
4
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A cone filled with water is revolved in a vertical circle of radius $$4 \mathrm{~m}$$ and the water does not fall down. What must be the maximum period of revolution?

A
2s
B
4s
C
1s
D
6s
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