MCQ
$X-$ ray will travel minimum distance in
  • A
    Air
  • Iron
  • C
    Wood
  • D
    Water

Answer

Correct option: B.
Iron
b
$X$-ray will travel minimum distance in iron.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In case of linearly polarized light, the magnitude of the electric field vector:
The sensitiveness of a moving coil galvanometer can be increased by decreasing
Which magnetic materials have negative susceptibility?
Resistances $R_1$ and $R_2$ are joined in parallel and a current is passed so that the amount of heat liberated is $$ and $H_2$ respectively. The ratio $\frac{H_1}{H_2}$ has the value
Find magnetic field at $O$
A charged particle oscillates about its mean equilibrium position with a frequency of $10^9\ Hz$. The frequency of electromagnetic waves produced by the oscillator is:
The mutual inductance between the rectangular loop and the long straight wire as shown in figure is $M$.
Two point charges $100\,\mu \,C$ and $5\,\mu \,C$ are placed at points $A$ and $B$ respectively with $AB = 40\,cm$. The work done by external force in displacing the charge $5\,\mu \,C$ from $B$ to $C$, where $BC = 30\,cm$, angle $ABC = \frac{\pi }{2}$ and $\frac{1}{{4\pi {\varepsilon _0}}} = 9 \times {10^9}\,N{m^2}/{C^2}$.........$J$
Figure $(a)$  shows plot of voltage across the capacitor as a function of the driving frequency for a sinusoidally driven electromagnetic oscillator $LCR$ circuit. Figure $(b)$ shows phase angle $\phi$ (phase difference between voltage and current) vs $\omega/\omega_0$ graph for same circuit, for three different quality factor graph $1, 2, 3$ of figure $(a)$ and each one can be  matched by one of graphs $a, b, c$ also of figure $(b)$ :-
The typical output characteristics curve for a transistor working in the common-emitter configuration is shown in the figure.

The estimated current gain from the figure is