MCQ
X-rays which can penetrate through longer distances in substance are called
- ASoft X-rays
- BContinuous X-rays
- ✓Hard X-rays
- DNone of the above
✓
Answer
Correct option: C.
Hard X-rays
Hard X-rays
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
A capacitor becomes a perfect insulator for:
Total internal reflection is possible when light rays travel
If half-life of a radioactive atom is 2.3 days, then its decay constant would be
E denotes electric field in a uniform conductor, I corresponding current through it, $V_d$ drift velocity of electrons and P denotes thermal power produced in the conductor, then which of the following graph is incorrect
→A transmitter transmits at a wavelength of $300\ meters$. A capacitor of a capacitance $9.6\ \mu F$ is being used. The value of the inductance for the resonant circuit is approximately.
→An electric potential difference will be induced between ends of the conductor shown in the diagram, when the conductor moves in the direction
The ratio of longest wavelength and the shortest wavelength observed in the five spectral series of emission spectrum of hydrogen is
The magnetic compass is not useful for navigation near the magnetic poles, since:
In $LCR$ series circuit source voltage is $120$ volt and voltage in inductor $50$ volt and resistance is $40$ volt, then determine voltage in capacitor.
→A diver in a swimming pool wants to signal his distress to a person lying on the edge of the pool by flashing his water proof flash light