12th Science Maharashtra Board
In this category students supposed to ask questions which belong to std 12th maharashtra board Science
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See all →- Niobium forms bcc structure the density of niobium is 8.55 g/cm3 and length of unit cell edge the correct answer is 1.62 × 10²^(1 ) EXplaination ^() 1
- The density of iridium is 22.4 g/cm3 . The unit cell of iridium is fcc. Calculate the radius of iridium atom. Molar mass of iridium is 192.2 g/mol. The correct answer is 136 pm Explanation:: 1
- Explain with diagram the boiling point elevation in terms of vapour pressure lowering ? The boiling point of a liquid is the temperature at which the vapour pressure of the liquid becomes equal to the atmospheric pressure. For E... 1
- [MCQ ] Molecular solids are __________ crystalline solids amorphous solids a) crystalline solids , is the correct answer 2
- Alluminium crystallizes in cubic close packed structure with unit cell edge 353.6 pm correct answer is r=125pm units=2.26×10²² Explanation https://youtu.be/RoQib35FfB4 1
- A simple pendulum is suspended from the roof of a train. If the train is moving with an acceleration of 49 cm/s2 , pseudo force=ma gravity=mg tan θ = maover mg θ = tan⁻¹(maover mg) =tan⁻¹( 0.49over 9.8) =tan⁻¹(0.05) = 3 ^o 1