Q41. Name the suitable material for purifying the water?
Ans- Zeolites.

Q42. Who wrote the ‘Man in the Iron Mask’?
Ans- Alexander Dumas.

Q43. Who discovered the radium?
Ans- The Curies.

Q44. What was the world’s first high-level programming language in 1957?
Ans- IBM FORTRAN.

Q45. What weapon was invented by Ernest Swinton which used in 1916?
Ans- Tank.

Q46. Two electron beams are traveling parallel to each other. What will be their reactions?
Ans- Repel each other.

Q47. Why is energy is continuously generated in the sun?
Ans- Due to nuclear fusion.

Q48. For electroplating a spoon, it is placed in the voltameter at which position?
Ans- The position of the cathode.

Q49. Which rays will deflect in an electric field?
Ans- Cathode rays.

Q50. The refractive index of a given piece of transparent quartz is greatest for which light?
Ans- Violet light.

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nanu brithwal

I'm Nitesh Brithwal Nanu , An Indian Engineer who is passionate about technology , current affairs , general Knowledge & programming . Constantly learning and experiencing new things.

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