1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

For a travelling harmonic wave

$y(x, t)=2.0 \cos 2 \pi(10 t-0.0080 x+0.35)$, where $x$ and $y$ are in cm and $t$ in $s$. The phase difference between oscillatory motion of two points separated by a distance of 0.5 m is:

A

$0.08 \pi \mathrm{rad}$

B

$\quad 0.8 \pi \mathrm{rad}$

C

$8 \pi \mathrm{rad}$

D

$0.008 \pi \mathrm{rad}$

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The magnitude and direction of the acceleration produced in a body of mass 5 kg when two mutually perpendicular forces 8 N and 6 N act on it, are respectively:

A

$20 \mathrm{~m} \mathrm{~s}^{-2} ; \tan ^{-1}(4 / 3)$ with 8 N force

B

$2 \mathrm{~m} \mathrm{~s}^{-2} ; \tan ^{-1}(3 / 4)$ with 6 N force

C

$2 \mathrm{~m} \mathrm{~s}^{-2} ; \tan ^{-1}(4 / 3)$ with 8 N force

D

$2 \mathrm{~m} \mathrm{~s}^{-2} ; \tan ^{-1}(3 / 4)$ with 8 N force

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider two uncharged capacitors of equal capacitance 200 pF . One of them is charged by a 100 V supply and disconnected. Now this capacitor is connected to the uncharged capacitor. The amount of electrostatic energy lost in the process is:

A

$0.5 \times 10^{-6} \mathrm{~J}$

B

1.0 J

C

$1.0 \times 10^{-6} \mathrm{~J}$

D

0.5 J

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The power of a crane, which lifts a mass of 1000 kg to a height of 20 m in 10 s is: $\left(g=9.8 \mathrm{~m} / \mathrm{s}^2\right)$

A

19.6 W

B

39.2 W

C

19.6 kW

D

39.2 kW