Waves — Physics STD 11 Science — Question

The time period of pendulum depends on the mass ____________ of the bob.

The time-displacement graph of two cars is shown by two parallel lines. The relation in their velocities is ................ .

Physical quantities which are independent and not defined in terms of other are called ______.

In uniform accelerated motion, position-time graph is ______.

The efficiency of the Carnot engine is ­­______________ the nature of the working substance.

With increase in temperature, its viscosity of liquid is ____________but viscosity of gases is ____________

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

Tangential viscous force required to maintain a unit velocity gradient between two liquid layers each of unit area is known as ___________________.

Time period of a pendulum hanged in a satellite is              .

Relation between astronomical unit and light year is ______.