SSLC (English Medium) इयत्ता १० - Tamil Nadu Board of Secondary Education Question Bank Solutions

Which hazardous radiation is the cause for genetic disease?

What is the amount of radiation that may cause the death of a person when exposed to it?

Write any three features of natural and artificial radioactivity.

Define one roentgen.

State Soddy and Fajan’s displacement law.

Give any two uses of radio isotopes in the field of agriculture?

'X – rays should not be taken often'. Give the reason.

Higher Order Thinking Skill (HOT)

Although coal and petroleum are produced by degradation of biomass, yet we need to conserve them. Why?

A is a reddish-brown metal, which combines with O₂ at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.

Why does the reaction rate of a reaction increase on raising the temperature?

Explain the factors influencing the rate of a reaction.

The existence of two sets of teeth in the life of an animal is called ______ dentition.

Diastema is a gap between premolar and molar teeth in rabbits.

How is diastema formed in rabbits?

How is the digestive system of rabbits suited for the herbivorous mode of feeding?

According to Charles’s law, at constant pressure, the temperature is inversely proportional to volume.

Which of the following is correct?

Mark the correct choice

1. Assertion: Electric appliances with a metallic body have three wire connections.
2. Reason: Three-pin connections reduce the heating of the connecting wires.

An electric iron consumes energy at the rate of 420 W when heating is at the maximum rate and 180 W when heating is at the minimum rate. The applied voltage is 220 V. What is the current in each case?

In the nuclear reaction ₆X¹² α decay _ZY^A, the value of A & Z.