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Helium-neon gas
A diamond block
A ruby rod
Carbon dioxide gas
What was the clock speed of the original IBM PC?
What will happened to overall current in circuit if more than one lamps are connected in series circuit, keeping voltage constant.
When a ball bounce off the ground, which of the following changes suddenly
When a body is stationary then
When a bond is formed between two atoms, the energy of the system will
When a bond is formed between two atoms, the energy so system will be
When a piece of ice floating on the surface of water in a beaker completely melts, then the level of water will _ ?
When a piece of stone is immersed in water, it displace water of equal -
When a salt dissolves in water
When a ship enters a sea from a river