Sound — Science STD 9 — Question

Amoeba can change their __________ continuously. (Shape, Size, Nucleus)

The maximum number of electrons that can be accommodated in the L shell is __________. (8, 2, 18)

The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called ________. (Condensation, Freezing, Evaporation)

Fill in the following blanks with suitable words:
The slope of a speed-time graph of a moving body gives its ________.

If the weight of a body is 6N on the moon, it will be about __________ on the earth. (12N, 36N, 18N)

Newton’s first law of motion is also called Galileo’s law of ________.

The maximum number of electrons that can go into the M shell is __________.

When the frequency of the sound is increased, the wavelength __________. (Increases, Decreases, Remains constant)

Almost all the mass of an atom is concentrated in a small region of space called the __________. (Nucleus, Electron cloud, Proton shell)