SS3: Physics – 1st Term Examination

Which of the following is a non-renewable resource?

Which among the following is not a renewable source of energy?

Which of the following is a disadvantage of most of the renewable energy sources?

Photovoltaic energy is the conversion of sunlight into ___________

Greenhouse effect is not caused by?

What is the harm from the depletion of Earth’s ozone layer?

Which is the most serious environmental effect posed by hazardous wastes?

Which of the following is not as a consequence of global warming?

World Energy Needs are rising due to _________

Which property of an electromagnetic wave, depends on the medium in which it is travelling?

Electromagnetic waves are represented in which of the following format?

Which among the following is having more wavelengths?

Gamma rays are having a wavelength of _________

Which of the following indicates the correct set of combination in radio waves?

EM waves varies from ______ to ________

If suddenly the gravitational force of attraction between the earth and a satellite revolving around it becomes zero, then the satellite will ___________

If the radius of the earth decreases by 1% and its mass remains the same, then the acceleration due to gravity ___________

A gravitational law is also called ___________

If the diameter of the earth becomes twice its present value but its mass remains unchanged, then how would be the weight of an object on the surface of the earth affected?

At which part of the earth’s surface, is the value of g is largest?

A missile is launched with a velocity less than escape velocity. The sum of its kinetic energy and potential energy is ___________

Statement 1 – The comets do not obey the Kepler’s law of planetary motion.
Statement 2 – The comets do not have elliptical orbits.

What is the weight of a body at the centre of the earth?

What is the effect of rotation of earth on a acceleration due to gravity?

A man waves his arms, while walking. This is ____________

Kepler’s second law is based on ___________

Two spheres of masses m and M are in air and the gravitational force between them is F. The space around the masses is now filled with liquid of specific gravity 3. The gravitational force will now be ___________

For a satellite escape velocity from the earth is 11.2 km/s. If a body is to be projected in a direction making an angle 45° to the vertical, then what is the escape velocity?

Coulomb is the unit of which quantity?

Coulomb law is employed in

Find the force between 2C and -1C separated by a distance 1m in air (in newton).

Two charges 1C and -4C exists in air. What is the direction of force?

Find the force between two charges when they are brought in contact and separated by 4cm apart, charges are 2nC and -1nC, in μN.

A charge of 2 X 10^-7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10^-7 C, both charges are in vacuum.

The electric field intensity is defined as

Find the force on a charge 2C in a field 1V/m.

Find the electric field intensity of two charges 2C and -1C separated by a distance 1m in air.

Capacitor is a device used to __________

Capacitor blocks__________ after long time.

If a parallel plate capacitor of plate area 2m² and plate separation 1m stores the charge of 1.77 x 10^-11 C. What is the voltage across the capacitor?

What is the value of capacitance of a capacitor which has a voltage of 4V and has 16C of charge?

Work done in charging a capacitor is ____________

Energy stored in 2000mF capacitor charged to a potential difference of 10V is

What is the total capacitance when three capacitors, C1, C2 and C3 are connected in parallel?

Calculate the charge in the 2F capacitor.

Calculate the charge in the circuit.

A primary dry cell is called so because _______

An electric cell has an internal resistance of 2 ohms. A current of 0.5A is found to flow when a resistor of 5 ohms resistance is connected across it. What is the electromotive force of the cell?

When cells are arranged in parallel

An external resistance R is connected to a cell of internal resistance r. The maximum current flows in the external resistance when

The internal resistance of a cell of e.m.f 2 V is 0.1 Ω. It is connected to a resistance of 3.9 Ω. The voltage across the cell is

Moving coil instruments have a current and voltage rating of __________

A shunt is a __________

Potential terminals have a __________

A multiplier is __________

CRO stands for __________

Deflection system of a CRT consists of ________

Given a Wheatstone-bridge with external voltage V, Resistance Bridge with resistances P, Q, R, S, and galvanometer G. What is the balancing condition of bridge?

In a Wheatstone bridge, which of the following is used as a null detector?

According to Faraday’s first law of electrolysis, the amount of any substance deposited at the electrode is directly proportional to the quantity of _______________

According to Faraday’s second law, the weights of different substances evolved by the passage of the same quantity of electricity are proportional to their _______________

What is the value of shunt resistance required to convert a galvanometer of resistance 100Ω into an ammeter of range 1A? Given : Full scale deflection of the galvanometer is 5 mA.

Which, among the following qualities, is not affected by the magnetic field?

What is the strength of magnetic field known as ________

How can a magnetic field be produced?

Which of the following is used to determine the direction of magnetic field in a current carrying conductor?

Do magnetic flux lines intersect?

The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?

If a coil is wound around a steel core and electric current is passed through the coil, the steel core acts as

What happens to the magnetic field in the solenoid when the number of turns increases?