Electromagnetism
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MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
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Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
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Electromagnetic Waves
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Modern Physics
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Communication Systems
MCQ (Single Correct Answer)
1
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

A geostationary satellite is orbiting the Earth at a height of $$4 R$$ above that surface of the Earth. $R$ being the radius of the earth. The, time period of another stellite in coins at a height of $$2 R$$ from the surface of the Earth is.

A
$$2 T_1$$
B
$$2 \sqrt{2} T_1$$
C
$$T_1 / 2$$
D
$$T_1 / 2 \sqrt{2}$$
2
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

A skylab or mass $$m \mathrm{~kg}$$ is first launched from the surface of the earth in a circular orbit of radius $$2 R$$ (from the centre of the earth) and then it is shifted from this circular orbit to another circular orbit of radius $$3 R$$. The minimum energy required to place the lab in the first orbit and to shift the lab from first orbit to the second orbit are

A
$$\frac{3}{4} m g R, \frac{m g R}{6}$$
B
$$\frac{3}{4} m g R, \frac{m g R}{12}$$
C
$$m g R, m g R$$
D
$$2 m g R, m g R$$
Questions Asked from MCQ (Single Correct Answer)
VITEEE Subjects
Aptitude
English