MCQ
Range of wavelength of X-rays is:
- A$10^{-4} m$ to $10^{-8} m$
- ✓$10^{-8} m$ to $10^{-13} m$
- C$10^8 m$ to $10^{13} m$
- DNone of these
✓
Answer
Correct option: B.
$10^{-8} m$ to $10^{-13} m$
(b)$10^{-8} m$ to $10^{-13} m$
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 transmitter supplies 9 kW to the aerial when unmodulated. The power radiated when modulated to 40% is
A parallel plate capacitor with air between the plates has capacitance of $9\ pF$. The separation between its plates is '$d$'. The space between the plates is now filled with two dielectrics. One of the dielectrics has dielectric constant $k_1 = 3$ and thickness $\frac{d}{3}$ while the other one has dielectric constant $k_2 = 6$ and thickness $\frac{2d}{3}$ . Capacitance of the capacitor is now.......$pF$
→The difference between the mass of a nucleus and the combined mass of its nucleons is:
An electron is accelerated through a potential difference of $10,000\; \mathrm{V}$. Its de Broglie wavelength is, (nearly):
→$\left(\mathrm{m}_{\mathrm{e}}=9 \times 10^{-31}\;\mathrm{kg}\right)$
Choose the correct statement:
A perpendicular material is place in a magnetic fields. Consider the following statemetns:
- If the magnetic field is increased, the magnetization is increased.
- If the temperature is increased, the magnetization is increased.
A uniform current carrying ring of mass $m$ and radius $R$ is connected by a massless string as shown. A uniform magnetic field $B_0$ exist in the region to keep the ring in horizontal position, then the current in the ring is ($l =$ length of string)
→If two conducting spheres are separately charged and then brought in contact
Critical angle of light passing from glass to air is minimum for
Current is flowing through a conducting hollow pipe whose area of cross-section is shown in the figure. The value of magnetic induction will be zero at
