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questions
List of practice Questions
Match List-I with List-II
List- I
(Layer of atmosphere)
List- II
(Approximate height over earth's surface)
A
.
F
1
-Layer
I
.
10 km
B
.
D-Layer
II
.
170-190 km
C
.
Troposphere
III
.
100 km
D
.
E-layer
IV
.
65-75 km
Choose the correct answer from the options given below:
JEE Main - 2023
JEE Main
Physics
the earth's magnetic field
Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material is
JEE Main - 2023
JEE Main
Physics
the earth's magnetic field
The magnetic intensity at the centre of a long current carrying solenoid is found to be 1.6 x 10
3
Am
-1
. If the number of turns is 8 per cm, then the current flowing through the solenoid is_____A.
JEE Main - 2023
JEE Main
Physics
the earth's magnetic field
Two satellites
A
and
B
, having masses in the ratio 4 : 3, are revolving in circular orbits of radii 3
r
and 4
r
respectively around the earth. The ratio of total mechanical energy of
A
to
B
is
JEE Main - 2022
JEE Main
Physics
the earth's magnetic field