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The increasing order of the first ionisation enthalpies of elements B, P, S and F is:
Answer: C. B<S<P<F The increasing order of the first ionisation enthalpies of elements B, P, S and F is B<S<P<F.
Answer: C. B<S<P<F
See lessThe increasing order of the first ionisation enthalpies of elements B, P, S and F is B<S<P<F.
The set representing the correct order of first ionisation potential is
Answer: B. Be>Mg>Ca The set representing the correct order of first ionisation potential is Be>Mg>Ca.
Answer: B. Be>Mg>Ca
See lessThe set representing the correct order of first ionisation potential is Be>Mg>Ca.
Which pair of atomic numbers represents s-block elements?
Answer: D. 3,12 The pair 3,12 of atomic number represents s-block elements.
Answer: D. 3,12
See lessThe pair 3,12 of atomic number represents s-block elements.
How do the ionisation energies of the group elements vary?
Answer: B. Decrease down the group The ionisation energies of the first group elements vary decrease down the group.
Answer: B. Decrease down the group
The ionisation energies of the first group elements vary decrease down the group.
See lessOut of C, N, O and S the smallest size is of:
Answer: A. O Out of C, N, O and S, the smallest size is of O.
Answer: A. O
See lessOut of C, N, O and S, the smallest size is of O.
The diagonal partner of element B is
Answer: C. Si The diagonal partner of element B is Si.
Answer: C. Si
See lessThe diagonal partner of element B is Si.
Which of the following represents the units of torque:
Answer: C. dyn cm The following dyn cm represent the units of torque.
Answer: C. dyn cm
See lessThe following dyn cm represent the units of torque.
Relation between torque and angular momentum is similar to the relation between:
Answer: C. Force and momentum Relation between torque and angular momentum is similar to the relation between force and momentum.
Answer: C. Force and momentum
See lessRelation between torque and angular momentum is similar to the relation between force and momentum.
All the points of a rigid body rotating about a given axis have same:
Answer: B. Angular velocity All the points of a rigid body rotating about a given axis have same angular velocity.
Answer: B. Angular velocity
See lessAll the points of a rigid body rotating about a given axis have same angular velocity.
Kepler’s law of areal velocity follows from:
Answer: D. Law of conservation of angular momentum Kepler's law of areal velocity follows from law of conservation of angular momentum.
Answer: D. Law of conservation of angular momentum
See lessKepler’s law of areal velocity follows from law of conservation of angular momentum.