Forum

The fundamental unit of life

Why is the cell called the
structural and functional unit of
life?

09/11/2024

Science

9th

The fundamental unit of life

Who discovered cells, and how?

09/11/2024

Science

9th

Optics

Explain the phenomenon of total internal reflection

09/11/2024

Physics

11th (Science)

Optics

Calculate the focal length of a lens that forms a real image 10 cm away from the lens when the object is placed 15 cm from it.

09/11/2024

Physics

11th (Science)

Optics

State Snell’s law of refraction.

09/11/2024

Physics

11th (Science)

Structure of the atom

Which one of the following is a correct electronic configuration
of sodium?
(a) 2,8 (b) 8,2,1 (c) 2,1,8 (d) 2,8,1.

09/11/2024

Science

9th

Waves And Oscillation

What is the Doppler effect? Give an example.

09/11/2024

Physics

11th (Science)

Waves And Oscillation

Explain the principle of superposition of waves

09/11/2024

Physics

11th (Science)

Waves And Oscillation

What is the relationship between frequency and wavelength in wave motion?

09/11/2024

Physics

11th (Science)

Waves And Oscillation

What is the relationship between frequency and wavelength in wave motion?

09/11/2024

Physics

11th (Science)