Question

Can anyone prepare a practise question paper of 30 Marks for me on Structure of Atom, Why do we fall ill?, Work and Energy. (only on these 3 chapters) I will mark as brainliest.

Answer 1

Answer:

Explanation:

Question 1.

Which subatomic particle is absent in an ordinary hydrogen atom?

Question 2.

J. Chadwick discovered a subatomic particle which has no charge and has mass nearly equal to that of a proton. Name the particle and give its location in the atom.

Question 3.

Is it possible for the atom of an element to have one electron, one proton and no neutron? If so, name the element.

Question 4.

Electron attributes negative charge, protons attribute positive charge. An atom has both but why there is no charge?

Question 5.

Write the electronic configuration of an element whose atomic number is 12

Question 6

What is meant by symptoms of a disease?

Question 7.

How can dehydration of the body be prevented?

Question 1.

What is meant by symptoms of a disease?

Question 2.

Define reservoiR

Question 3.

What is a source of infection?

 

Question 4.

How can we diagnose a disease?

Question 5.

What is community health?

Question 6.

What does WHO stand for?

Question 7.

How can dehydration of the body be prevented?

Question 8.

How does WHO define health?

Question 9.

Classify diseases on the basis of their time of occurrence.

Question 10.

What are congenital diseases?

Question 11.

By what factor does the kinetic energy of a body increase when its speed is doubled?

Question 12.

What is negative work.

Question 13.

Out of a light and a heavy body having equal kinetic energy, which one will is move fast?

Question 14.

What type of energy is stored in the spring of a watch

Question 15.

When an arrow is shot from its bow, it has kinetic energy. From where does it get this kinetic energy?

EACH CARRIES 2 MARK