Question
Day and night settings for rearview mirrors uses

Answer

(b)

Day and night settings for rear view mirrors.

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

Gas escapes from the surface of a planet because it acquires an escape velocity. The escape velocity will depend on which of the following factors :

$I.$ Mass of the planet

$II.$ Mass of the particle escaping

$III.$ Temperature of the planet

$IV.$ Radius of the planet

Select the correct answer from the codes given below :

Two masses ${m_1}$ and ${m_2}$ are attached to a string which passes over a frictionless smooth pulley. When ${m_1} = 10kg,$ ${m_2} = 6kg,\,$the acceleration of masses is  .......... $m/s^{2}$
The temperature of an ideal gas at atmospheric pressure is $300\,K$ and volume $1\,m^3$. If temperature and volume become double, then pressure will be
A positive charge particle of $100 \,mg$ is thrown in opposite direction to a uniform electric field of strength $1 \times 10^{5} \,NC ^{-1}$. If the charge on the particle is $40 \,\mu C$ and the initial velocity is $200 \,ms ^{-1}$, how much distance (in $m$) it will travel before coming to the rest momentarily
The dimension of where $\sqrt {\frac{\mu }{ \in }} $ is permeability $\& \varepsilon$ is permittivity is same as :
The electric potential inside a conducting sphere
In the reported figure, two bodies $A$ and $B$ of masses $200\, {g}$ and $800\, {g}$ are attached with the system of springs. Springs are kept in a stretched position with some extension when the system is released. The horizontal surface is assumed to be frictionless. The angular frequency will be $.....\,{rad} / {s}$ when ${k}=20 \,{N} / {m} .$
The ratio of secondary to the primary turns in a transformer is $3 : 2$. If the power output be $P$, then the input power neglecting all loses must be equal to
During negative $\beta$-decay
If Poission's ratio $\sigma $ is $ - \frac{1}{2}$ for a material, then the material is