The viscosity of solids is________________?
A. Infinite
B. Negligible
C. Medium
D. No concept of viscosity in solid
Submitted by :- Jamil Ahmed
Crystalline solids can be identified easily from their ___________________?
A. Sharp melting point
B. Definite geometry
C. Transition temperature
D. Colour
Submitted by :- Jamil Ahmed
A malleable solid is one which can be_________________?
A. Converted into wires
B. Converted into thin sheets
C. Melted easily
D. All of the above
Submitted by :- Jamil Ahmed
Planks theory says energy is emitted__________________?
A. In continuous manner
B. Discontinuous manner
C. Simultaneously
D. In the form of heat
Submitted by :- Jamil Ahmed
The value of e/m ratio of electron is________________?
A. 6.2 x 1023 C/kg
B. 1.7588 x 12 C/kg
C. 9.195 x 10-31 C/kg
D. 1.7588 x 1011 C/kg
Submitted by :- Jamil Ahmed
Positive rays give flash on________________?
A. AgNO3 plate
B. AgCl plate
C. ZnO
D. ZnS
Submitted by :- Jamil Ahmed
Angle of deflection was studied by________________?
A. Hitorff
B. Stoney
C. William Crookes
D. J.Perrin
Submitted by :- Jamil Ahmed
Pressure in gas discharge tube was kept________________?
A. 1 torr
B. 0.001 torr
C. 2.0 torr
D. 0.1 torr
Submitted by :- Jamil Ahmed
Which one of the following explain the shape of orbitals _________________?
A. Principal of quantum number
B. Azimuthal quantum number
C. Magnetic quantum number
D. Spin quantum number
Submitted by :- Jamil Ahmed
Splitting of spectral lines when atom is subjected to magnetic field is called _______________?
A. Zeeman effect
B. Starks effect
C. Photo electric effect
D. Compton effect
Submitted by :- Jamil Ahmed