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Work and Energy
100
Dynamics
87
Kinematics
98
Transfer of Heat
51
Turning Effect of Forces
62
Gravitation
46
Matter Properties
94
Thermal Properties of Matter
103
Atomic and Nuclear Physics
101
Basic Electronics
101
Current Electricity
187
Electromagnetism
101
Electrostatics
123
Geometrical Optics
204
Information and Communication Technology
100
Simple Harmonic Motion and Waves
96
Sound
108
Show/Hide Answers
Electromagnetism
Weak ionic current in our body that travels along the nerve can produce the
atoms
heat
potential difference
magnetic effect
Author:
rikazzz
Comment
Turning Effect of Forces
The body is said to be rigid if the distance between pairs if particles doesn’t change by applying
friction
law of inertia
force
law of momentum
Author:
rikazzz
Comment
Thermal Properties of Matter
On the Fahrenheit scale, the upper fixed point is marked as
32 °F
212 °F
100 °F
0 °F
Author:
rikazzz
Comment
Physics
Rainbow is due to
absorption of sunlight in minute water droplets
diffusion of sunlight through water droplets
ionisation of water deposits
refraction and reflection of sunlight by water droplets
A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.
Author:
rikazzz
Comment
Everyday Science
The speed of sound in the air was first accurately measured in
1718
1728
1738
1708
Author:
rikazzz
Comment
Turning Effect of Forces
A body is in equilibrium if it moves with
uniform velocity
constant velocity
uniform acceleration
constant acceleration
Author:
rikazzz
Comment
Work and Energy
The energy present in a body due to its height is called
gravitational kinetic energy
gravitational potential energy
altitude energy
gravitational energy
Author:
rikazzz
Comment
Transfer of Heat
The process in which heat is transferred in form of waves is called
Conduction
convection
thermal climbing
radiation
Author:
rikazzz
Comment
Turning Effect of Forces
A block of weight 12 N is hanging through a string. Its tension in the string will be
10 N
11 N
12 N
0 N
Author:
rikazzz
Comment
Electromagnetism
Through a conductor, an electric current produces a
mechanical energy
magnetism
potential difference
magnetic field
Author:
rikazzz
Comment
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