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Moving Charges and Magnetism
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Magnetism and Matter
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1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
The radius of circle, the period of revolution, initial position and sense of revolution are indicated is the figure. NEET 2019 Physics - Oscillations Question 18 English

y- projection of the radius vector of rotating particle P is :
A
y(t) = 4sin$$\left( {{{\pi t} \over 2}} \right)$$, where y in m
B
y(t) = 3cos$$\left( {{{3\pi t} \over 2}} \right)$$, where y in m
C
y(t) = 3cos$$\left( {{{\pi t} \over 2}} \right)$$, where y in m
D
y(t) = -3cos2$$\pi $$t, where y in m
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Average velocity of a particle executing SHM in one complete vibration is :
A
A$$\omega $$
B
$${{A{\omega ^2}} \over 2}$$
C
$${{A\omega } \over 2}$$
D
zero
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
The displacement of a particle executing simple harmonic motion is given by

y = A0 + A sin$$\omega $$t + B cos$$\omega $$t.

Then the amplitude of its oscillation is given by :
A
$$\sqrt {{A^2} + {B^2}} $$
B
A + B
C
A + $$\sqrt {{A^2} + {B^2}} $$
D
$$\sqrt {A_0^2 + {{\left( {A + B} \right)}^2}} $$
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A pendulum is hung from the roof of a sufficiently high building and is moving freely to and fro like a simple harmonic oscillator. The acceleration of the bob of the pendulum is 20 m s–2 at a distance of 5 m from the mean position. The time period of oscillation is
A
2$$\pi $$ s
B
$$\pi $$ s
C
2 s
D
1 s
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