1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

If the earth stops rotating about its axis, then what will be the change in the value of g at a place in the equatorial plane? (Radius of earth = 6400 km)

A
3.7 cm/s2
B
9.8 m/s2
C
0
D
3.4 cm/s2
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

Two spheres of the same material and same radii r are touching each other. The gravitational force between the spheres is proportional to

A
$${1 \over {{r^2}}}$$
B
r2
C
$${1 \over {{r^4}}}$$
D
r4
3
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

A satellite is moving around the earth with speed v in a circular orbit of radius r. If the orbit radius is decreased by 2%, its speed will increase by

A
1%
B
2%
C
1.5%
D
1.414%
BITSAT Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12