MCQ
The atmosphere is held to the earth by
- AWinds
- ✓Gravity
- CClouds
- DNone of the above
✓
Answer
Correct option: B.
Gravity
(b)
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 thermo couple develops $200\ \mu V$ between $0^{\circ} C$ and $100^{\circ} C$. If it develops $64\ \mu V$ and $76\ \mu V$ respectively between $\left(0^{\circ} C -32^{\circ} C \right)$ and $\left(32^{\circ} C -70^{\circ} C \right)$ then what will be the thermo emf it develops between $70^{\circ} C$ and $100^{\circ} C$
→Which is the correct statement
Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be
A given system undergoes a change in which the work done by the system equals the decrease in its internal energy. The system must have undergone an
In an ac circuit the reactance of a coil is $\sqrt{3}$ times its resistance, the phase difference between the voltage across the coil to the current through the coil will be
→A block is lying on an inclined plane which makes $60^{\circ}$ with the horizontal. If coefficient of friction between block and plane is $0.25$ and $g=10 \mathrm{~m} / \mathrm{s}^2$, then acceleration of the block when it moves along the plane will be
→Which of the following is not the property of a cathode ray
If $\lambda_v, \lambda_r$ and $\lambda_m$ represent the wavelength of visible light $x-$rays and microwaves respectively, then
→A particle originally at rest at the highest point of a smooth vertical circle is slightly displaced. It will leave the circle at a vertical distance $h$ below the highest point such tha
→
A short linear object of length $l$ lies along the axis of a concave mirror of focal length $f$ at a distance $u$ from the pole of the mirror. The size of the image is approximately equal to
→