how many neutrons and how many protons are present in a single deuterium nucleus?
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Is their any rule in significant figures that maximum number of significant figures in a number are 5
Laser is an acronym for what?
Do radio-waves go in straight line ?
Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate
Explain the Optical Medium ?
How about the particle-wave duality? : quantum physics
Who determined that the square of a planets period is proportional to the cube of its average distance from the sun?
When water is boiled in a tin and its mouth is closed by a rubber cork, then on pouring cold water over the tin it is crushed. Why ?
Explain the Friction and Equilibrium ?
when taken to the top of a mountain, a clock will go fast or go slow or no change or stop ?
How ate the weather forecasts made ?