P-1 Lenses — Science STD 10 — Question

When the light ray is incident normal to the interface between any two media, the angle of incidence is __________.

When substance converted from liquid to solid state the heat energy is ______________

Fill in the following blanks with suitable words:
Copper is a good _______ Plastic is an _______.

CGS unit of specific heat capacity is ______________ .

Misuse or illegal sale of written literature, software, photos, videos, music etc. of others by obtaining from internet is called as __________.

Fill in the following blanks with suitable words:
Flowering plants reproduce by __________ method of reproduction.

Fill in the following blanks with suitable words:
The form of carbon which is used as a lubricant at high temperature is __________.

Fill in the blanks in the following sentences:
Acids have a ________ taste and they turn ________ litmus to ________.

If attitude increases, value of g __________.

Fill in the following blanks:
Tendrils wind around a support in response to ________.