Physics

Answer: Infrasound is a type of sound that has a very low frequency below 20 Hz. Humans cannot… Read More

Answer: SONAR (Sound Navigation and Ranging) and RADAR (Radio Detection and Ranging) refer to technologies that help us… Read More

Answer: The main difference between acceleration and retardation is that acceleration means an increase in velocity per second,… Read More

Maxwell’s Right-hand Thumb Rule is a simple way to find the direction of the magnetic field around a… Read More

Magnets are objects that produce a magnetic field. This magnetic field is invisible but is responsible for a… Read More

Light behaves in different ways when it hits surfaces. Let’s explore what reflection of light means and how… Read More

Answer: An owl can see well at night but not during the day because its eyes are specially… Read More

The principle of floatation states: “An object will float in a fluid if the weight of the fluid… Read More

Magnetic susceptibility is a measure of how much a material gets magnetised when it is placed in an… Read More

A. True B. False When we talk about how heat moves from one place to another, it’s important… Read More