The type of glass used in making lenses and prisms is
1 Soft glass
2 Pyrex glass
3 Jena glass
4 Flint glass
Answers were Sorted based on User's Feedback
What is the Organic Evolution ?
The type of glass used in making lenses and prisms is 1 Soft glass 2 Pyrex glass 3 Jena glass 4 Flint glass
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these
4 Answers ECAT, Group 4 iv, Qnet, UPSC,
What ate the most essential parts of the human body ?
2 Answers State Bank Of India SBI,
Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue
Why is it necessary to cook food ?
The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these
The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these
Who was the first cosmonaut?
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%
3 Answers DSSSB-Delhi Subordinate Service Selection Board,
When did india conduct three under ground nuclear tests?