1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The magnetic field of a plane electromagnetic wave is given by $$\overrightarrow B = 3 \times {10^{ - 8}}\cos (1.6 \times {10^3}x + 48 \times {10^{10}}t)\widehat j$$, then the associated electric field will be :

A
$$9\cos (1.6 \times {10^3}x + 48 \times {10^{10}}t)\widehat k$$ V/m
B
$$3 \times {10^{ - 8}}\cos (1.6 \times {10^3}x + 48 \times {10^{10}}t)\widehat i$$ V/m
C
$$3 \times {10^{ - 8}}\sin (1.6 \times {10^3}x + 48 \times {10^{10}}t)\widehat i$$ V/m
D
$$9\sin (1.6 \times {10^3}x - 48 \times {10^{10}}t)\widehat k$$ V/m
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The restoring force of a spring with a block attached to the free end of the spring is represented by

A
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 3 English Option 1
B
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 3 English Option 2
C
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 3 English Option 3
D
NEET 2022 Phase 2 Physics - Work, Energy and Power Question 3 English Option 4
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : When a fire cracker (rocket) explodes in mid air, its fragments fly in such a way that they continue moving in the same path, which the fire cracker would have followed, had it not exploded.

Reason (R) : Explosion of cracker (rocket) occurs due to internal force only and no external force acts for this explosion.

In the light of the above statements, choose the most appropriate answer from the option given below

A
(A) is not correct but (R) is correct
B
Both (A) and (R) are correct and (R) is the correct explanation of (A)
C
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
D
(A) is correct but (R) is not correct
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

A cricket ball is thrown by a player at a speed of 20 m/s in a direction 30$$^\circ$$ above the horizontal. The maximum height attained by the ball during its motion is

(g = 10 m/s2)

A
25 m
B
5 m
C
10 m
D
20 m
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