PART - 1 CH - 7 Gravitation — Physics STD 11 Science — Question

Dimensional formulae of universal gravitational constant (G) is ______.

Fill in the blanks:
Hertz is the unit of ______.

The pressure exerted by a liquid column depends only on the height of the liquid column and not on the shape of container. This is known as __________________.

The velocity of efflux of a liquid through an orifice in the bottom of the tank depends on _______________ and ______________.

Defines the zeroth law of thermodynamics. To ____________.

The total energy of the particle remains in simple harmonic ____________motion.

The modulus of elasticity of a perfect elastic material is. ____________

The value of modulus of rigidity of a fully rigid body is ____________

Apparent change in frequency of sound waves when source of sound and listener are in relative motion is known as ______.

Source of sound and observer are moving towards each other the observer will hear ______ frequency.