A given ray of light suffers minimum deviation in an equileteral prism ‘P’. Additional prisms Q and R of identical shape and of the same material as ‘P’ are now added. The ray will now suffer

'U' shaped wire is placed in front of a concave mirror of radius of curvature 20cm as shown. The total length of the image of the wire ABCD is nearly

Find the values of x and y.
If your answers are not integers, it should be in simplest radical form.

For such questions, we should know about the properties of a right-angled triangle and 30°-60°-90° triangle. The alternate way to solve the above question is by Pythagoras theorem and trigonometric ratios.

Find the length of the hypotenuse. leave your answer in simplest radical form.

For such questions, we should know the properties of different triangles.

he dependence of nuclear force on distance between nucleons is not known precisely, but approximate variation is shown graphically From graph which of following statements cannot be concluded?

The floral formula, Ebr  belong to family -

The floral formula belongs to plant -

Identify the special triangle given below.

We should know different properties of right-angled triangle. We should also know about the different types of triangles.

The floral formula  is that of –

Write the product of the following reaction

The relative rate of acid catalysed dehydration of following alcohols would be
I)
II)
III)
IV) 

Which describes the best stereochemical aspects of the following reaction ?

The correct order of reactivity of following alcohols towards conc. HCl/ZnCl₂ is:
I)
II)
III)
IV) 

Which of the following is not expected to be intermediate of the following reaction ?

The conversion

The products formed in the reaction are: