HSC Science कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Physics

A closed triangular box is kept in an electric field of magnitude E = 2 × 10³ N C^-1 as shown in the figure.

Calculate the electric flux through the

1. vertical rectangular surface
2. slanted surface and
3. entire surface.

What is resonance condition in cyclotron?

State Fleming’s left-Hand rule.

Is an ammeter connected in series or parallel in a circuit? Why?

Explain the concept of velocity selector.

Discuss the working of cyclotron in detail.

Derive the expression for the force between two parallel, current-carrying conductors.

Give an account of magnetic Lorentz force.

In a Young’s double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to ______.

One of Young’s double slits is covered with a glass plate as shown in figure. The position of central maximum will,

What is interference of light?

What is phase of a wave?

Obtain the relation between phase difference and path difference.

What is intensity (or) amplitude division?

How does wavefront division provide coherent sources?

How do source and images behave as coherent sources?

What is a bandwidth of interference pattern?

Obtain the equation for resultant intensity due to interference of light.

Explain Young’s double-slit experimental setup and obtain the equation for path difference.

Obtain the equation for bandwidth in Young’s double slit experiment.