General Science - Study Mode

[#1] Atoms of an element differ from those of all other elements in
Correct Answer

(A) Atomic number and electronic configuration.

Explanation

Solution: Atoms of an element differ from those of all other elements in number of neutrons and electronic configuration.

[#2] Nuclear fission is caused by the impact of:
Correct Answer

(A) Neutron

Explanation

Solution: Nuclear fission in fissile fuels is the result of the nuclear excitation energy produced when a fissile nucleus captures a neutron.

[#3] Which of the following rays are the most penetrating?
Correct Answer

(C) Gamma rays

Explanation

Solution: Gamma radiation is the most penetrating of the three radiations. It can easily penetrate body tissue.

[#4] How many colours the sunlight spectrum has?
Correct Answer

(B) Seven

Explanation

Solution: We can observe on the paper that the sunlight is split into a spectrum of colours like a rainbow, every colour in VIBGYOR pattern i.e., violet, indigo, blue, green, yellow, orange and red can be seen. The conclusion drawn here is that sunlight is nothing but a mixture of seven colours.

[#5] Which is/are the important raw material(s) required in cement industry?
Correct Answer

(C) Limestone and Clay

Explanation

Solution: The important raw material(s) required in cement industry Limestone and Clay.