Kangaroo rat is found in .........

In a diffraction experiment from a single slit,the angular width of the central maxima does $NOT$ depend upon

Rajaji National Park is situated in:

An artificial pacemaker is implanted subcutaneously and connected to the heart in patients:

Which of the following is a part of the pistil (gynoecium)?

An observer moves towards a stationary source of sound with a speed $1/5^{th}$ of the speed of sound. The wavelength and frequency of the source emitted are $\lambda$ and $f$ respectively. The apparent frequency and wavelength recorded by the observer are respectively: