Question
X-rays when incident on a meta
|
(a) Exert a force on it |
(b) Transfer energy to it |
|
(c) Transfer pressure to it |
(d) All of the above |
✓
Answer
(d) All of the above
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
As shown in the figure, a very thin sheet of aluminium is placed in between the plates of the condenser. Then the capacity
|
(a) Will increase |
(b) Will decrease |
|
(c) Remains unchanged |
(d) May increase or decrease |
____ And _____ led to understanding of atomic structures:
- Fresnel diffraction.
- Cathode rays.
- X-rays.
- Electrons.
A 20cm long capillary tube is dipped in water. The water rises up to 8cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be:
- 8cm
- 6cm
- 10cm
- 20cm
The photoelectric threshold wavelength for potassium (work function being 2eV ) is
|
(a) 310 nm |
(b) 620 nm |
(c) 1200 nm |
(d) 2100 nm |
Which of the following graphs shows the variation of thermoelectric power with temperature difference between hot and cold junction in thermocouples
|
(a)
|
(b)
|
(c)
|
(d)
|
An aeroplane in which the distance between the tips of wings is 50 m is flying horizontally with a speed of 360 km/hr over a place where the vertical components of earth magnetic field is 2.0 
. The potential difference between the tips of wings would be
|
(a) 0.1 V |
(b) 1.0 V |
(c) 0.2 V |
(d) 0.01 V |
In series combination of resistances:
The SI unit of electric flux is:
The property between two charged ebonite rods is:
Current carrier in conductors is ____?