Which rays are used in a TV remote?
why do we have eateries and butcheries fitted with mirrors on the walls
Give a reason why mass of a body is constant everywhere.
State the reason why hot water may not be use to sterilise clinical thermometer
While heating water in a beaker, wire gauze is placed below the beaker. Explain.
Why is it that the magnetic strength is high at the poles
State the property that determines the hardness of x-rays.