1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

An ac source is connected to a capacitor C. Due to decrease in its operating frequency

A
displacement current increases.
B
displacement current decreases.
C
capacitive reactance remains constant.
D
capacitive reactance decreases.
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

A vehicle travels half the distance with speed $$v$$ and the remaining distance with speed $$2 v$$. Its average speed is :

A
$$\frac{2 v}{3}$$
B
$$\frac{4 v}{3}$$
C
$$\frac{3 v}{4}$$
D
$$\frac{v}{3}$$
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The amount of energy required to form a soap bubble of radius $$2 \mathrm{~cm}$$ from a soap solution is nearly: (surface tension of soap solution $$=0.03 \mathrm{~N} \mathrm{~m}^{-1}$$ )

A
$$5.06 \times 10^{-4} \mathrm{~J}$$
B
$$3.01 \times 10^{-4} \mathrm{~J}$$
C
$$50.1 \times 10^{-4} \mathrm{~J}$$
D
$$30.16 \times 10^{-4} \mathrm{~J}$$
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The venturi-meter works on :

A
Bernoulli's principle
B
The principle of parallel axes
C
The principle of perpendicular axes
D
Huygen's principle
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