Questions

The founder of Arya Samaj, Swami Dayananda Saraswati gave the motto "Go Back to Vedas" to propagate the true knowledge of Vedas.

Monotheism is the belief in a single all-powerful god, as opposed to religions that believe in multiple gods.

Sikhism, Judaism, Christianity, and Islam are widely practiced forms of monotheism.

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.

Fathometer is used to measure the depth of the ocean.

Opposite means not identical, not same, not alike, contrast...

Here in the question, the opposite of the word opposite is asked and is opposite of not same , not identical or not alike is same, like, identical,...