Units and Measurements — Physics STD 11 Science — Question

Answer the following :
There were two fixed points in the original Celsius scale as mentioned above which were  assigned the number 0°C and 100°C respectively. On the absolute scale, one of the fixed points is the triple-point of water, which on the Kelvin absolute scale is assigned the number 273.16 K. What is the other fixed point on this (Kelvin) scale?

What is the order of precision of an atomic clock?

A mass is dropped from certain height. At the same time another equal mass is thrown with a horizontal velocity of u m/s. Which one of the two will reach the ground first?

Is static friction a self-adjusting force?

Would you prefer a voltmeter or a potentiometer to measure the emf of a battery?

What is the basis for the second Law of Kepler?

The ratio of amplitude of two waves is 2 : 3. What is the ratio of intensities of these waves?

Can the earth's magnetic field be vertical at a place? What will happen to a lreely suspended magnet at such a place? What is the value of dip here?

The distance travelled by a moving body is directly proportional to time. Is any external force acting on it?

Do you expect the gas in a cooking gas cylinder to obey the ideal gas equation?