1
JEE Main 2022 (Online) 25th July Morning Shift
+4
-1 Three identical particles $$\mathrm{A}, \mathrm{B}$$ and $$\mathrm{C}$$ of mass $$100 \mathrm{~kg}$$ each are placed in a straight line with $$\mathrm{AB}=\mathrm{BC}=13 \mathrm{~m}$$. The gravitational force on a fourth particle $$\mathrm{P}$$ of the same mass is $$\mathrm{F}$$, when placed at a distance $$13 \mathrm{~m}$$ from the particle $$\mathrm{B}$$ on the perpendicular bisector of the line $$\mathrm{AC}$$. The value of $$\mathrm{F}$$ will be approximately :

A
21 G
B
100 G
C
59 G
D
42 G
2
JEE Main 2022 (Online) 30th June Morning Shift
+4
-1

The radii of two planets A and B are in the ratio 2 : 3. Their densities are 3$$\rho$$ and 5$$\rho$$ respectively. The ratio of their acceleration due to gravity is :

A
9 : 4
B
9 : 8
C
9 : 10
D
2 : 5
3
JEE Main 2022 (Online) 29th June Evening Shift
+4
-1 The time period of a satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to three times its previous value, then approximate new time period of the satellite will be

A
40 hours
B
36 hours
C
30 hours
D
25 hours
4
JEE Main 2022 (Online) 29th June Morning Shift
+4
-1 The escape velocity of a body on a planet 'A' is 12 kms$$-$$1. The escape velocity of the body on another planet 'B', whose density is four times and radius is half of the planet 'A', is :

A
12 kms$$-$$1
B
24 kms$$-$$1
C
36 kms$$-$$1
D
6 kms$$-$$1
JEE Main Subjects
Physics
Mechanics
Electricity
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry
Calculus
EXAM MAP
Joint Entrance Examination