In which year the solar observatory in kodikanal founded?

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Which of the following was to be discovered first in the chromo sphere of the sun? 1 Xenon 2 Helium 3 Neon 4 Krypton

1 Answers  

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Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium

4 Answers  

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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,

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Which scientists gave detailed information about nebula?

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A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation

4 Answers   SSC,

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Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays

4 Answers   BCA, HCL,

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Which of the following elements is obtained from sea weeds? 1 Argon 2 Sulpur 3 Vanadium 4 Iodine

1 Answers   Argon, Iodine,

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What are manufacturing capacities facilities you have?

1 Answers  

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Where is the biggest solar telescope in india situated?

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The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these

1 Answers  

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The disease that is caused by viral infection is

2 Answers  

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