Questions

Galton's whistle is also called as Dogs whistle or silent whistle, is a type of whistle that emits sound in the ultrasonic range, which people cannot hear but some other animals can, including dogs and domestic cats, and is used in their training.

Black  surfaces are good emitters of heat ( They are also good absorbers of heat). If the black surface is rough too, the emitting will be better. So (b) is the correct answer. Shining surfaces reflect back radiation. So if the black surface is also shining the effectiveness of emitting heat is lessened.

The upper house of the parliament is the Rajya Sabha and is a permanent body.

Maharashtra bagged top position in total live investments attracted by different public and private sources across India as of FY17 stated the ASSOCHAM report. While Gujarat is in the second position followed by Odisha on the third slot, Gujarat at 8.5% and Odisha at 7%. Maharashtra led the pack to top as the best state to attract the investments.

A reflection.

Higher Quality Scores typically result in lower costs and better ad positions. Quality Score is Google's rating of the quality and relevance of both your keywords and PPC ads. It is used to determine your cost per click (CPC) and multiplied by your maximum bid to determine your ad rank in the ad auction process.