P-1 Chemical reactions and equations — Science STD 10 — Question

You are given a lens which gives a virtual, erect and enlarged image. What type of lens is it?

Find the odd one out: Frog, Tortoise, Toad, Salamander

If the current in a wire is flowing in the vertically downward direction and a magnetic field is applied from west to east, what is the direction of force in the wire?

What property do all elements in the same column of the periodic table as boron have in common?

A ray of light travelling in air enters obliquely into water. Does the ray of light bend towards the normal or away from the normal? Why?

Food materials like cold drinks, ice creams, cakes, juices are available in various colours and flavours. Whether these colours and flavours are really derived from fruits?

If the refractive index of medium 2 with respect to medium 1 is 5/3, what is the refractive index of medium 1 with respect to medium 2?

Name two parts of the body which contain receptors of chemical stimuli.

For what position of an object, a real and diminished image is formed by a concave mirror?

Do all organisms give birth to individuals like humans?