PART - 2 CH - 14 Waves — Physics STD 11 Science — Question

Any motion that repeats itself over and over again at regular interval of time is called              .

Fill in the blanks using the word (s) from the list appended with statement:
For the model of a plane in a wind tunnel, turbulence occurs at a ... speed for turbulence for an actual plane (greater/ smaller).

Hooke's law literally define ____________

According to Albert Einstein, energy and mass are equivalent quantities. That means E =...............

Difference between the true value and the measured value of the quantity is known as ______.

SONAR works on the principle of ______.

1 horse power = ............... Watt

A body can be projected in.............different directions (angles) with the same speed for the same horizontal range.

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

When a gun is fired, the force with which the bullet moves forward the same amount for force act on....................and in....................direction.