An optically active compound
|
(a) Rotates the plane polarised light |
|
(b) Changing the direction of polarised light |
|
(c) Do not allow plane polarised light to pass through |
|
(d) None of the above |
(a) Rotates the plane polarised light
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
For a substance the average life for a-emission is 1620 years and for b emission is 405 years. After how much time the 1/4 of the material remains after a and b emission
|
(a) 1500 years |
(b) 300 years |
(c) 449 years |
(d) 810 years |
A beam of electrons and protons move parallel to each other in the same direction, then they
|
(a) Attract each other |
(b) Repel each other |
|
(c) No relation |
(d) Neither attract nor repel |
If a 2 kW boiler is used everyday for 1 hour, then electrical energy consumed by boiler in thirty days is
|
(a) 15 unit |
(b) 60 unit |
(c) 120 unit |
(d) 240 unit |
A body has – 80 micro coulomb of charge. Number of additional electrons in it will be
|
(a) 8 |
(b) 80 |
(c) 5 |
(d) 1.28 |
The magnetic flux linked with a circuit of resistance 100 ohm increases from 10 to 60 webers. The amount of induced charge that flows in the circuit is (in coulomb)
|
(a) 0.5 |
(b) 5 |
(c) 50 |
(d) 100 |
Faraday's laws are consequence of conservation of
|
(a) Energy |
(b) Energy and magnetic field |
|
(c) Charge |
(d) Magnetic field |
