Embibe Experts Solutions for Chapter: Physics, Exercise 1: Exercise 1

One micron is equal to the length of _____.

One Nanometer is equal to -----

Optical Fibers' work is based on?

If the potential difference applied to an X-ray tube is doubled while keeping the separation between the filament and the target as same, what will happen to the cutoff wavelength?

The apparatus used to measure the intensity of light is known as

Einstein got Nobel Prize for

In a hydraulic jack as shown, mass of the car $W=800 \mathrm{kg},A_1=10{ \mathrm{cm}}^2,A_2=10{ \mathrm{m}}^2.$ The minimum force $F$ required to lift the car is

A wire can sustain a weight of $15 \mathrm{kg}$. If it cut into four equal parts, then each part can sustain a weight