A particle moves along with x-axis. The position x os particles with respect to time t from origin given by x = b0 + b1t + b2t2. The acceletration of particle is
1 mol of gas occupies a volume of 200 mL at 100 mm pressure. What is the volume occupied by two moles of gas at 400 mm pressure and at same temperature?
A charged particle travels along a straight line with a speed v in a region where both electric foeld E and magnetic field B are present. If follows that
A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns in secondary coil. It is connected to a 220 V main supply and secondary feeds to a 100 kΩ resistance. The potential difference per turn is
1. 1.1 V
2. 25 V
3. 18 V
4. 11 V
Subtopic: Transformer |
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A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens is completely immersed in a liquid of refractive index 1.6, its focal length will be
1. -160 cm
2. - 100 cm
3. + 10 cm
4. +100 cm
Subtopic: Lens Makers' Formula |
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