Following two isomers are
–

Number of optically active isomers of tartaric acid is
–

The number of optically active isomers possible for - is -

It has chiral centre (*). It is-

Let g be the acceleration due to gravity at earth's surface and k be the rotational K.E of earth suppose the earth's radius decreases by 2% keeping alt other quantities same then

Optically active isomers but not mirror images are called -

The sum of the subtangent and subnormal to the curve  at  is

For such questions, we should know the formula of subtangent and subnormal

Which is a pair of geometrical isomers ?

are-

Assuming earth to be a sphere of a uniform density, what is value of gravitational acceleration. in mine 100 km below the earth surface .... ms^-2

The two optical isomers given below are

Number of stereoisomers of the given compound is -

The given pair is

If the mass of earth is 80 times of that of a planet and diameter is double that of planet and  'g' on the earth is 9.8 ms², then the value of ' g ' on that planet is ….

If the relation between subnormal 'SN' and subtangent 'ST' at any point on the curve by  is  then 

For such questions, we should know the formulas of subnormal and subtangent.

If the radius of earth is R then height 'h ' at which value of ' g' becomes one - fourth is