Forum

Waves And Oscillation

Define simple harmonic motion (SHM) and give its characteristics.

09/11/2024

Physics

11th (Science)

Structure of the atom

Number of valence electrons in Cl–
 ion are:
(a) 16 (b) 8 (c) 17 (d) 18

09/11/2024

Science

9th

Structure of the atom

Isotopes of an element have
(a) the same physical properties
(b) different chemical properties
(c) different number of neutrons
(d) different atomic numbers.

09/11/2024

Science

9th

Structure of the atom

Rutherford’s alpha-particle scattering experiment was
responsible for the discovery of
(a) Atomic Nucleus (b) Electron
(c) Proton (d) Neutron

09/11/2024

Science

9th

Thermodynamics

Describe an isothermal process and its characteristics.

09/11/2024

Physics

11th (Science)

Thermodynamics

A gas expands at constant pressure. How does this affect its internal energy?

09/11/2024

Physics

11th (Science)

Thermodynamics

Explain the term “heat capacity” and its significance

09/11/2024

Physics

11th (Science)

Thermodynamics

What is the first law of thermodynamics? Provide an equation.

09/11/2024

Physics

11th (Science)

Cost of production and concept of revenue

Which cost cannot be measured ?

09/11/2024

Economics

11th (Commerce)

Cost of production and concept of revenue

Explain different concepts of the cost production 

09/11/2024

Economics

11th (Commerce)