UPTET 2017 (Paper 2 - Maths & Science ) Previous Year Paper (2017)

Sound waves consists of $20$ compressions and $20$ rarefactions in $10\text{m}$ length. The wavelength of the waves is

If $\frac{4}{3}$ and $\frac{3}{2}$ be respectively the absolute refractive indices of water and glass, then the refractive index of glass relative to water is

In household wiring, what is the colour of 'earth wire'?

Kirchhoff's current law is based on the conservation of

The decimal equivalent of the binary number $(1101{)}_2$ is