List of practice Questions

Which of the following controls the size of the pupil?
Which lens is used in nearsightedness (myopia)?
Which of the following is the formula to find the resistance of a coil?
The SI unit of resistance is
Which of the following is an allotrope of carbon?
In which lens can both real and virtual images be formed?
How many colours are there in white light?
Which colour of white light bends the least after passing through a prism?
What type of salt is Pb(OH)NO$_3$?
The ratio of nitrogen and hydrogen atoms in one molecule of ammonia is
Which of the following is the most acidic oxide?
Which of the elements represented by the following symbols is a metal?
An alloy of mercury and another metal is called
Which of the following mirrors has a positive focal length?
Which of the following is the focal length of a convex mirror whose radius of curvature is 32 cm?
The reaction, in which heat is also generated along with the formation of product, is called
Oxidation is a reaction in which there is
Which of the following is a synthetic indicator?
Which substance turns red litmus paper blue in aqueous solution?
Oiled paper is
Which of the following is a natural resource?
Which of the following is a forest-based industry?
We can get iodine in adequate quantity from which of the following?
Which of the following is the primary source of energy in fossil fuels?
In which of the following forms is energy available in the oceans?