List of practice Questions

The mass of $\alpha$-particle is
For production of beats the two sources must have
In terms of Bohr radius a0, the radius of the second Bohr orbit of a hydrogen atom is given by
The energy equivalent of one atomic mass unit is
An ideal gas cannot be liquefied because
How many isomers of $C_5 H_{11} OH$ will be primary alcohols?
Afferent nerve fibre carries impulses from
Component of blood responsible for producing antibodies is
A piece of copper and other of germanium are cooled from the room temperature to 80 K, then
In a cross between AABB x aabb, the ratio of F, genotypes between AABB. AaBB, Aabb and aabb would be
An organism with two identical alleles is
XO-chromosomal abnormality in human beings causes
An allele is dominant if it is expressed in
Hydrogen bond is strongest in
ampere hour is a unit of
When chlorine is passed over dry slaked lime at room temperature ,the main reaction product is
Which of the following bonds will be most polar ?
Number of electrons shared in the formation of nitrogen molecule is
Ligand in a complex salt are
The maximum possible number of hydrogen bonds a water molecule can form is
Which one of the following has the shortest carbon-carbon bond length?
The lustre of the metal is on account of
Which of the following is not a strong electrolyte
A car is moving in a circular horizontal track of radius $10\,m$ with a constant speed of $10\, m/s$. A plumb bob is suspended from the roof of the car by a light rigid rod. The angle made by the rod with the vertical is $(Take \,g \,=\, 10 m/s^2)$
Hydrogen bond is strongest in