Related Questions

The rainfall due to upward movement of air caused by convergence of cold air masses against warm air masses is called ________.
A Cyclonic rainfall
B Orographic rainfall
C Frontal rainfall
D Convectional rainfall
A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if
A The sum of the two masses is equal to the total mass of body
B The center of gravity of the two masses coincides with that of the body
C The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body
D All of the above
A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?
A Depends on their masses
B Sphere
C Disk
D Both reach at the same time
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as
A Isomers
B Isotopes
C Isobars
D Isotones
Atoms with same number of neutrons, but different number of nucleons are called
A Isotones
B Isobars
C Isotopes
D Isoters
Atoms having the same number of protons but different number of neutrons are called :
A Isotopes
B Cations
C Higgs-boson
D Anions
Atoms of same element having different mass numbers are called________
A Isobars
B Isotopes
C Isotones
D Isomers
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
A Acceleration
B Kinetic Energy
C Velocity
D Momentum
Which one is different for the neutral atoms of the isotopes of an element?
A Number of electrons
B Atomic weight
C Atomic number
D Number of Protons
A system of masses rotating in different parallel planes is in dynamic balance if the
A Resultant force is equal to zero
B Resultant couple is equal to zero
C Resultant force and resultant couple are both equal to zero
D Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero

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