- ACompound microscope
- BAstronomical telescope
- CSimple microscope
- DAll of the above
Explanation:
The image formed by the Compound microscope and Astronomical telescope is inverted,but in case of Simple microscope it form erect image.
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In a tangent galvanometer a current of 0.1 A produces a deflection of 30o. The current required to produce a deflection of 60o is
|
(a) 0.2 A |
(b) 0.3 A |
(c) 0.4 A |
(c) 0.5 A |
Two circular coils have their centres at the same point. The mutual inductance between them will be maximum when their axes
|
(a) Are parallel to each other |
(b) Are at 60o to each other |
|
(c) Are at 45o to each other |
(d) Are perpendicular to each other |
In the given figure the capacitors have a capacitance 4mF each if the capacitor
has a capacitance 10mF, then effective capacitance between A and B will be
|
(a) 2mF |
(b) 4mF |
(c) 6mF |
(d) 8mF |
The energy gap of silicon is 1.14 eV. The maximum wavelength at which silicon will begin absorbing energy is
|
(a) 10888 Å |
(b) 1088.8 Å |
(c) 108.88 Å |
(d) 10.888 Å |

