Question
A proton is accelerated through 50,000 V. will increase Its energy by
|
(a) 5000 eV |
(b) 8 |
(c) 5000 J |
(d) 50,000 J |
✓
Answer
(a) 5000 eV
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Particle nature and wave nature of electromagnetic waves and electrons can be shown by
|
(a) Electron has small mass, deflected by the metal sheet |
|
(b) X-ray is diffracted, reflected by thick metal sheet |
|
(c) Light is refracted and defracted |
|
(d) Photoelectricity and electron microscopy |
How many spectral lines does hydrogen have?
The angle of dip at a place is 60°. At this place the total intensity of earth's magnetic field is 0.64 units. The horizontal intensity of earth's magnetic field at this place is
| (a) 1.28 units |
(b) 0.64 units |
(c) 0.16 units | (d) 0.32 units |
————— gives the information on field strength, direction, and nature of the charge.
Two conducting circular loops F and G are kept in a plane on either side of a straight current-carrying wire as shown in the figure below. If the current in the wire decreases in magnitude, the induced current in the loops will be.
When a metallic rod falls freely, keeping its length horizontal and parallel to northsouth direction, emf induced across it is __________ .
An air capacitor is connected to a battery. The effect of filling the space between the plates with a dielectric is to increase
|
(a) The charge and the potential difference |
(b) The potential difference and the electric field |
|
(c) The electric field and the capacitance |
(d) The charge and the capacitance |
Force between two unit pole strength placed at a distance of one metre is
| (a) 1 N |
(b) 
|
(c) 
|
(d) 4π 
|
Magnetic field intensity at the centre of coil of 50 turns, radius 0.5 m and carrying a current of 2 A is
|
(a) 0.5 |
(b) 1.25 |
(c) 3 |
(d) 4 |
If length of a conductor is doubled and cross-section is made half, then the specific resistance of the substance of changed wire will become: