NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 709 - 714 of 1042

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 709

» Chemistry » Carbon and Its Compounds

Appeared in Year: 2013

MCQ▾

Question

The type of radiation absorbed by CO2 molecule in atmosphere are

Choices

Choice (4) Response

a.

X-rays

b.

UV-rays

c.

Infra-red rays

d.

Gamma rays

Question number: 710

» Physics » Magnetism & Electricity at Work

Appeared in Year: 2013

MCQ▾

Question

An electric iron draws a current of 15 A from 220V supply. What is the cost of using iron for 30 min every day for 15 days if the cost of unit (1 unit = 1 KW/hr) is 2 rupees?

Choices

Choice (4) Response

a.

Rs. 60

b.

Rs. 40

c.

Rs. 10

d.

Rs49.5

Question number: 711

» Chemistry » Structure of Atom

MCQ▾

Question

Which of the following will have equal number of electrons?

Choices

Choice (4) Response

a.

Cl and Br

b.

Ar and Ne

c.

Na + and Mg 2+

d.

Mg 2+ and Ca 2+

Question number: 712

» Physics » Motion and Force

Appeared in Year: 2013

MCQ▾

Question

The speed-time relation of a car whose weight is 1500 kg has shown in the given graph. How much braking force has been applied at the end of 7sec. to stop the car in 2 sec?

Graph of Speed vs. Time

Graph of Speed vs. Time

Calculate the breaking force of the car at end of 7 sec to stop the car

Choices

Choice (4) Response

a.

1200N

b.

9000N

c.

4800N

d.

2000N

Question number: 713

» Chemistry » Structure of Atom

MCQ▾

Question

Mg has three natural isotopes whose isotopic masses and relative abundances are respectively 23.98 (78.60%), 24.98 (10.11%) and 25.98 (11.29%). The atomic mass of Mg will be

Choices

Choice (4) Response

a.

24.31

b.

23.95

c.

23.42

d.

24.95

Question number: 714

» Chemistry » Structure of Atom

MCQ▾

Question

The electronic configuration of an ion M 2+ is 2, 8 and 14. If its mass is 56, the number of neutrons in its nucleus is

Choices

Choice (4) Response

a.

34

b.

30

c.

42

d.

32

f Page
Sign In