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if energy can neither be created nor destroyed how was it initially created

I am in bewilderment with the first law of thermodynamics. I am not doubting its validity but my conscience feels a bit hazy about it.

• Nilesh
• 1214 Views
• 9 Answers

Relativity

What is Relativity?

• Aasoo
• 393 Views
• 9 Answers

Why people's body gets heavy after dead?

I heard that when a man or woman die their body gets heavy.I know it is not a physics related question.but if anybody know the reason, please enlighten me.

• Pushpita
• 191228 Views
• 10 Answers

Black holes

Does time really stop at the edge of a black hole ?

• Moitreyee
• 180 Views
• 10 Answers

M=E(C)^2 equal to E=M (C)2 or not

Where E (energy) consists of his many types.

• Ajay
• 507 Views
• 11 Answers

According to which theory we can say that mass depend upon its velocity ?

Force is defined as rate of change of momentum. Momentum depends upon mass and velocity. But in this mass is not constant both are variable. The answer start from s______ t_____ ...

• Nawaz
• 382 Views
• 12 Answers

The dimension of magnetic field in M, L, T and C (Coulomb) is given as

MT-1C-1

• Dolly
• 53783 Views
• 12 Answers

What is the direction of magnetic dipole moment?

The direction of magnetic dipole moment is from S-pole to N-pole of the magnet

• Dolly
• 58172 Views
• 12 Answers

Are Planetary Orbits Elliptical (or) Circular?

Are Planetary Orbits Elliptical (or) Circular? and why it's like that ?

• Sai
• 504 Views
• 12 Answers

Does God exist?

From the scientific point of view there is no existence of God/ Creator of the Universe. Its is a known fact that time does not exist,as it is only the consciousness which relates ...

• Ishan
• 321 Views
• 13 Answers

why electron in the atom rotate around the nucleus?

electron is all the time rotating in the nucleus with no use as just like our earth is rotating in the universe around the sun.It can be stationary also!

• Rajat
• 79992 Views
• 15 Answers

which spectral series of hydrogen atom lie in the visible region

A . lyman B. paschen C. pfund D. balmer

• Shivam
• 3405 Views
• 19 Answers

why it is not possible to attain speed of light?

If two bodies of very heavy masses are separated at a large distance and one of the body is fixed at its position then the another body will experience a high gravitational force. ...

• Nishant
• 904 Views
• 19 Answers

magnetic force in a solenoid carrying current is depends upon its radius (true or false)

true or false

• Puneet
• 709 Views
• 30 Answers