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

Describe the layout of a farm pond.

List out any five advantages of Farm ponds.

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

One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.

Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.

Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.

Define least count of any device.

Speed is a ______ quantity whereas velocity is a ______ quantity.

Compare speed and velocity

The instrument used to measure atmospheric pressure is ______.

Describe the construction and working of mercury barometer.

Higher Order Thinking Skill.

How high does the mercury barometer stand on a day when atmospheric pressure is 98.6 kPa?

The e.m.f of a cell is analogues to ______ of a pipe line.

Match the following.

SI unit of temperature is ______.

Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.

Reason: Boiling point of water is 10°C.

Why do people prefer wearing white clothes during summer?

The speed of Sun in km/s is______.

The rotational period of the Sun near its poles is ______.

A man weighing 60 kg in the Earth will weigh 1680 kg in the Sun. Why?

Among the following______ is a mixture.

A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?