SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

With an appropriate illustration prove that the force acting on a smaller area exerts a greater pressure.

Potential near a charge is the measure of its ______ to bring a positive charge at that point.

Conceptual question.

A bird sitting on a high power electric line is still safe. How?

Conceptual question.

Does a solar cell always maintain the potential across its terminals constant? Discuss

State Ohm’s law.

Exercise.

Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.

State whether true or false. If false, correct the statement.

Magnetic field lines always repel each other and do not intersect.

The Big Bang occurred ______ years ago.

Match the following.

Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?

State true or false. If false, correct the statement.

Smaller the size of the orbit, lower is the energy of the orbit.

Explain the postulates of Bohr’s atomic model. 

Write any four uses of acids.

What are the uses of Plaster of Paris?

What is catenation? How does carbon form catenated compounds?

What are called Anaesthetics? How are they classified?

The tissue composed of living thin walled polyhedral cell is ______.

The fibres consists of ______.

Aerenchyma is found in ______.

Parenchyma, collenchyma, Sclerenchyma are______ type of tissue.