1
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The distance between Sun and Earth is R. The duration of year if the distance between Sun and Earth becomes 3R will be :

A
$$\sqrt 3 $$ years
B
3 years
C
9 years
D
3$$\sqrt 3 $$ years
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A stone of mass m, tied to a string is being whirled in a vertical circle with a uniform speed. The tension in the string is

A
the same throughout the motion.
B
minimum at the highest position of the circular path.
C
minimum at the lowest position of the circular path.
D
minimum when the rope is in the horizontal position.
3
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Two identical charged particles each having a mass 10 g and charge 2.0 $$\times$$ 10$$-$$7C are placed on a horizontal table with a separation of L between them such that they stay in limited equilibrium. If the coefficient of friction between each particle and the table is 0.25, find the value of L. [Use g = 10 ms$$-$$2]

A
12 cm
B
10 cm
C
8 cm
D
5 cm
4
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Two massless springs with spring constants 2 k and 9 k, carry 50 g and 100 g masses at their free ends. These two masses oscillate vertically such that their maximum velocities are equal. Then, the ratio of their respective amplitudes will be :

A
1 : 2
B
3 : 2
C
3 : 1
D
2 : 3
JEE Main Papers
2023
2021
EXAM MAP