NCERT Class 9 Science-Structure of the Atom[Atomic Number and Mass Number] [NCERT Based General Studies (GS)]: Questions 1 - 7 of 7

Access detailed explanations (illustrated with images and videos) to 4883 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. 3 Year Validity- Access Unlimited Times on Unlimited Devices.

View Sample Explanation or View Features.

Rs. 750.00 -OR-

How to register? Already Subscribed?

Question 1

Question MCQ▾

Unit positive charge carried out the nucleus of an atom is termed as the:

Choices

Choice (4)Response

a.

Atomic number

b.

Protons

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Edit

Question 2

Question MCQ▾

Isobar has different number of:

Choices

Choice (4)Response

a.

Neutrons

b.

Protons

c.

Electrons

d.

All a., b. and c. are correct

Edit

Question 3

Question MCQ▾

Isotopes are used in:

Choices

Choice (4)Response

a.

Nuclear reactors as fuel

b.

Estimating age of old archaeological samples

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Edit

Question 4

Question MCQ▾

Isotopes used in the treatment of:

Choices

Choice (4)Response

a.

Cancer

b.

AIDS

c.

Goitre

d.

Both a. and c. are correct

Edit

Question 5

Question MCQ▾

Isotopes of carbon are:

Choices

Choice (4)Response

a.

6C13,6C13,6C13

b.

6C12,6C13,6C14

c.

6C12,7C12,8C12

d.

Question does not provide sufficient data or is vague

Edit

Question 6

Question MCQ▾

Mass number is represented by:

Choices

Choice (4)Response

a.

E

b.

Z

c.

A

d.

P

Edit

Question 7

Question MCQ▾

Isotopes are the:

Choices

Choice (4)Response

a.

Atoms of the different elements having different atomic number but the same mass number

b.

Atoms of the same element

c.

Atoms of the same element having same atomic number but different mass number

d.

Question does not provide sufficient data or is vague

Edit