1
JEE Main 2022 (Online) 24th June Evening Shift
Numerical
+4
-1
Change Language

Let P1 be a parabola with vertex (3, 2) and focus (4, 4) and P2 be its mirror image with respect to the line x + 2y = 6. Then the directrix of P2 is x + 2y = ____________.

Your input ____
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the pair of physical quantities that have same dimensions:

A
velocity gradient and decay constant
B
Wien's constant and Stefan constant
C
angular frequency and angular momentum
D
wave number and Avogadro number
3
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
4
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.
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