MCQ
An electron microscope is superior to an optical microscope in
- ✓Having better resolving power
- BBeing easy to handle
- CLow cost
- DQuickness of observation
✓
Answer
Correct option: A.
Having better resolving power
Having better resolving power
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 parallel plate condenser with oil between the plates (dielectric constant of oil K = 2) has a capacitance C. If the oil is removed, then capacitance of the capacitor becomes
Moselry's law for characteristic $X-$ rays is given by $\sqrt f = a\left( {Z - b} \right)$ Choose the correct statement
→According to the figure, a conducting wire AB (length $l)$ is moving with a velocity v on two parallel rails P and Q. A uniform magnetic field is applied normally inwards to the plane of rails. Essential force needed to keep the velocity of the bar constant is:
→A compound microscope has a magnifying power $30$. The focal length of its eyepiece is $5\,cm$. Assuming the final image to be at the least distance of distinct vision $(25\, cm)$. The magnification produced by objective is
→The figure below shows the north and south poles of a permanent magnet in which n turn coil of area of cross-section A is resting, such that for a current i passed through the coil, the plane of the coil makes an angle θ with respect to the direction of magnetic field B. If the plane of the magnetic field and the coil are horizontal and vertical respectively, the torque on the coil will be
Which of the following unit is not free from error?
An electron is moving in a circular orbit of radius $R$ with an angular acceleration $\alpha$ . At the centre of the orbit is kept a conducting loop of radius $r, (r < < R).$ The $e.m.f$ induced in the smaller loop due to the motion of the electron is
→Calculate the charge on the second capacitor before and after switch in the circuit is closed
Inside a parallel plate capacitor the electric field $E$ varies with time as $t^2$. The variation of induced magnetic field with time is given by
→A charged particle moves with velocity $v$ in a uniform magnetic field $\overrightarrow B $. The magnetic force experienced by the particle is
→