೧:5೯ वी
Correct Answer:- Option-C
Question59:-5um of squares of the dimensions of the imeducible representation of a group will be equal to
A:-Order of the group
B:-Character of the group
C:-Square of the group
D:-None of these
Correct Answer:- Option-A
Question60:-The stable end product of Uranium series is
838209”
28072067”
2807207
82007209“
Correct Answer:- Option-B
Question61:-Intersystem crossing is essential for
A:-Phosphorescence
B:-Fluorescence
C:-Photosensitisation
D:-Chemiluminescence
Correct Answer:- Option-A
Question62:-The lowest lattice energy among the following crystals is
A:-NaCl
8:40
C:-RbCI
D:-CsCl
Correct Answer:- Option-D
Question63:-Improper rotation axis contains
A:-Reflection and refraction
B:-Rotation and reflection
C:-Inversion and refraction
D:-Center of symmetry and rotation
Correct Answer:- Option-B
Question64:-Which among the following state functions is an extensive property of the system 7
A:-Temperature
B:-Volume
C:-Viscosity
D:-Refractive index
Correct Answer:- Option-B
Question65:-The splitting of spectral lines in an electric field is called
A:-Zeeman effect
B:-Photoelectric effect
C:-Stark effect
D:-Thomson effect
Correct Answer:- Option-C
Question66:-Which is true about the isobars 7
A:-They have same mass number and same atomic number
B:-They have same mass number and different atomic number
C:-They have different mass number and same atomic number
D:-They have different mass number and different atomic number
Correct Answer:- Option-B
Question67:-"CO_2" is isostructural with
‏وديم‎
‎8:-॥0.2:
‏:ع‎ 25 `
06 212:
Correct Answer:- Option-D