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

The distance covered by a body of mass 5 g having linear momentum 0.3 kg m/s in 5 s is :

A
0.3 m
B
300 m
C
30 m
D
3 m
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The distance between the two plates of a parallel plate capacitor is doubled and the area of each plate is halved. If C is its initial capacitance, its final capacitance is equal to

A
$${C \over 4}$$
B
2C
C
$${C \over 2}$$
D
4C
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

A closely packed coil having 1000 turns has an average radius of 62.8 cm. If current carried by the wire of the coil is 1 A, the value of magnetic field produced at the centre of the coil will be (permeability of free space $$ = 4\pi \times {10^{ - 7}}$$ H/m) nearly

A
10$$-$$3 T
B
10$$-$$1 T
C
10$$-$$2 T
D
102 T
4
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
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