HSC Science (Computer Science) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Physics

Answer the following question in detail.

Derive the expressions for the magnifying power and the length of a compound microscope using two convex lenses.

Refractive index of a flint glass varies from 1.60 to 1.66 for visible range. Radii of curvature of a thin convex lens are 10 cm and 15 cm. Calculate the chromatic aberration between extreme colours.

The electric field in a region is given by `vec"E"` = 5 `hatk`N/C. Calculate the electric flux Through a square of side 10.0 cm in the following cases

1. The square is along the XY plane
2. The square is along XZ plane
3. The normal to the square makes an angle of 45° with the Z axis.

Choose the correct option.

The binding energy of a satellite revolving around the planet in a circular orbit is 3 × 10⁹ J. It's kinetic energy is ______.

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Define the binding energy of a satellite.

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What do you mean by geostationary satellite?

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What is periodic time of a geostationary satellite?

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Why is a minimum two-stage rocket necessary for launching of a satellite?

State the conditions for various possible orbits of satellite depending upon the horizontal/tangential speed of projection.

Derive an expression for the critical velocity of a satellite.

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State any four applications of a communication satellite.

Draw a labelled diagram to show different trajectories of a satellite depending upon the tangential projection speed.

Derive an expression for the binding energy of a body at rest on the Earth’s surface of a satellite.

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Why an astronaut in an orbiting satellite has a feeling of weightlessness?

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Obtain an expression for the binding energy of a satellite revolving around the Earth at a certain altitude.

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What is a critical velocity?

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Obtain an expression for the critical velocity of an orbiting satellite. On what factors does it depend?

Describe how an artificial satellite using a two-stage rocket is launched in an orbit around the Earth.

Calculate the kinetic energy, potential energy, total energy and binding energy of an artificial satellite of mass 2000 kg orbiting at a height of 3600 km above the surface of the Earth.
Given: G = 6.67 × 10^-11 Nm²/kg²
R = 6400 km, M = 6 × 10²⁴ kg

Answer the following question in detail.

Two satellites A and B are revolving round a planet. Their periods of revolution are 1 hour and 8 hour respectively. The radius of orbit of satellite B is 4 × 10⁴ km. Find radius of orbit of satellite A.