11th Class Physics MCQS
In 1913, Mosley used the x-rays to determine:
Relative atomic mass
Atomic number
Mass number
Avogadro’s number
The process of cooling an object causes thermal.
Expension
Transformation
Constraction
Conductivity
In a cell the process of DNA replication is carried out by an enzyme DNA
Polymerase
Helicase
Primase
Ligase
The branch of science dealing with matters and energy and their mutual relationship is called
Geology
Physics
Chemistry
Biology
The most fundamental branch of all sciences is
Mathematics
Biology
Physics
Chemistry
Out of 15 points in a plane, no three are in a straight line except 8 points which are collinear. How many triangles can be formed by joining them?
120
1120
40
504
Coordinate covalent bond is present in:
NH+4
NH3
CH4
H2O
Davvision and Germer proved that accelerated electrons undergo diffraction, like wave, when they fail on:
Liquid crystals
Nickel crystals
Cobalt crystals
Ice crystals
Davvision and Germer proved that accelerated electrons undergo diffraction, like wave, when they fail on:
Liquid crystals
Nickel crystals
Cobalt crystals
Ice crystals
A person has 6 friends. In how many ways, can be invit one or more of his friend to the movies.
30
6!
63
6!/2!
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