SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions

What do you infer if

1. Distance – time graph is a straight line.
2. The velocity-time graph is curved.
3. Displacement time is zigzag.

The direction of the magnetic field around a straight conductor carrying current can be determined by ______.

The laws of induction were given by ______.

Fleming’s left-hand rule is also known as the dynamo rule.

Define the right-hand thumb rule.

List four properties of the image formed by the concave mirror when the object is placed between F & P.

The specific heat capacity of water is ______.

Two cylinders of equal height and radius are made of copper and aluminum. Which of them conducts heat faster?

What is the amount of heat required to raise the temperature of 5 kg of iron from 30°C to 130°C? Specific heat capacity of iron = 483 Jkg^-1C^-1.

A metal ball of heat capacity 50J/°C loses 2000 J of heat. By how much will its temperature fall?

The time is taken by the sun to complete one revolution around the milky way ______.

Satellites move around the planets due to ______ and ______ force.

Assertion: The period of revolution of a satellite around a planet is directly proportional to the radius of the orbit of the satellite.
Reason: Artificial satellites do not follow Kepler’s Laws of motion.

Mention the factors responsible for the motion of the satellite.

What is a cosmic year?

Name the two phases in the separation of the mixtures in chromatography.

Which block of the periodic table contains metals, non-metals, and metalloids?

The outermost shell of an atom cannot accommodate electrons more than ______.

The electronic configuration of an atom is 2,8,3. The valency of the atom is ______.

The maximum No. of electrons that can be accommodated in the M shell is ______.