The energy emitted by the Sun is due to (a) Chemical reaction (b) Nuclear fission (c) Nuclear fusion (d) All the above
2 9588The sky appears blue because of (a) Atmospheric water vapour (b) Scattering of light (c) Reflection on sea water (d) Emission of blue wavelength by the sun
1 2826Dynamo is a device for converting (a) Heat energy into electrical energy (b) Mechanical energy into electrical energy (c) Magnetic energy into electrical energy (d) Chemical energy into electrical energy
3 14673What is the chemical name for ?Baking Soda?? (a) Sodium carbonate (b) Sodium bicarbonate (c) Sodium nitrite (d) Sodium nitrate
3 3921The working of the quarts crystal in the watch is based on (a) Johnson effect (b) Photoelectric effect (c) Edison effect (d) Piezo electric effect
1 2690Why does a big fire in the open appear to be fanned by strong winds? (a) Because of constant circulation of winds over and across the fire (b) Because of the dust particles carried by the wind (c) Because the surrounding heated air rises and cool air rushes in to create a fanning effect (d) None of these
1 5032Oil rises up the wick in a lamp because (a) Oil is very light (b) Of the diffusion of oil through the wick (c) Of the surface tension phenomenon (d) Of the capillary action phenomenon
3 15730In the atmosphere ultraviolet rays are absorbed by (a) Oxygen (b) Nitrogen (c) Ozone (d) Helium
SSC,
4 10730In which of the following cryogenic engines are used? (a) Frost-free refrigerators (b) Sub-marine propulsion (c) Rockets (d) Researches in super conductivity
2 4675PVC is obtained by the polymerization of (a) Propane (b) Vinyl chloride (c) Styrene (d) Acetylene
1 6868Which variety of glass is heat resistant ? (a) Hard glass (b) Flint glass (c) Pyrex glass (d) Bottle glass
PDO, Pyrex Glass, SSC,
4 44187Generally, what is the colour of emerald? (a) Violet (b) Yellow (c) Deep green (d) Prussion blue
1 2458What is the element required for solar energy conversion? (a) Beryllium (b) Tantalum (c) Silicon (d) Ultra pure carbon
2 10109
what questions will be asked in dharmaday ayukta exams for public relations officer
Dear all, Right now i am working pharmaceutical i have shifts system 10 hrs including travelling but i want get job through groups how it possible to me can you please suggest to me anyone
What is the syllabus for Airport Authority of India Sr. Asstt.(Finance) written test?
WHAT ABOUT SENSEX AND NIFTY?
Whether excise can be be levied from consumer on power consumption.
pls. LIC ado modle test paper sent me
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Name the star which lies nearest to our solar system?
How many seats in jammu
why banking field is better than other field in government sector................reply fast
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What did you like most/least about school/ college/university?
who started 'teacher's day'?