The mass defect per nucleon is called
|
(a) Binding energy |
(b) Packing fraction |
(c) Ionisation energy |
(d) Excitation energy |
The mass defect per nucleon is called
|
(a) Binding energy |
(b) Packing fraction |
(c) Ionisation energy |
(d) Excitation energy |
(b) Packing fraction
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The square root of the product of inductance and capacitance has the dimension of
|
(a) Length |
(b) Mass |
(c) Time |
(d) No dimension |
The electric potential inside a conducting sphere
|
(a) Increases from centre to surface |
|
(b) Decreases from centre to surface |
|
(c) Remains constant from centre to surface |
|
(d) Is zero at every point inside |
Two resistances are joined in parallel whose resultant is ohm. One of the resistance wire is broken and the effective resistance becomes 2Ω. Then the resistance in ohm of the wire that got broken was
|
(a) 3/5 |
(b) 2 |
(c) 6/5 |
(d) 3 |
Blue colour of sky is due to:

The focal length of a concave mirror is 50 cm. Where an object be placed so that its image is two times and inverted
|
(a) 75 cm |
(b) 72 cm |
(c) 63 cm |
(d) 50 cm |
When a plane mirror is rotated through an angle θ then the reflected ray turns through the angle 2θ then the size of the image
| (a) Is doubled | (b) Is halved | (c) Remains the same | (d) Becomes infinite |
What is the equivalent resistance between A and B
|
(a) |
(b) |
(c) |
(d) 2R |