Question
The sulphur (S) containing mineral
is:Solution
Zeolites are a group of porous minerals composed primarily of aluminum, silicon, and oxygen. Dolomite is a carbonate mineral composed of calcium, magnesium, carbon, and oxygen. Magnesite is a mineral composed of magnesium, carbon, and oxygen.
A stream of water flowing horizontally with a speed of 20 m/s pushes out of a tube of cross-sectional area 10-1m2 and hits at a v...
Which of the following is an alpha particle which is emitted in radioactivity?
Which of the following is a reason for excessive current in electrical circuits?
I. Direct touching of wires
II. Connection of many d...
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
The distance between the focus and the centre of curvature of a spherical mirror in terms of the radius of curvature R, is equal to:
The energy emitted by the Sun is due to
Two point charges +q and −q are separated by a distance 2a. The electric field at a point on the perpendicular bisector at distance r from center is p...
A uranium nucleus undergoes fission and releases 200 MeV per event. If 1 gram undergoes complete fission, the energy released in kWh is:
In a closed organ pipe, the frequencies of vibration are in the ratio:
Which among the following is not a characteristic of transition metals?
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