Questions

An elastomer is a polymer with viscoelasticity which have low youngs modulus with weak intermolecular forces when compared with other materials.

Activation of the receptors by stimuli is called Sensation.

The National Defence Academy is formed by combining the cadets of three services Army, Navy and Air force. The Defence academy established on 7 December 1954. Its motto is "Service Before Self."

There are two IP address assigned to each device on a Wi-Fi network.

An Internal (Private) and an External (Public) IP address.

Internal IP address is used for communication between Your computer and a smartphone or whatever devices that are connected to that Wifi network. This is unique for each. If they are same the system cannot differentiate between each device.

While, the External IP address is that visible to the the internet - the websites, the internet connected Apps so on. By default, Routers with NAT (all routers today have it) assign same Public IP address to all devices under its network.

It is a collection of routers under the control of a single administrative authority and that uses a common Interior Gateway Protocol

The Deputy Chairman of the Rajya Sabha presides over the proceedings of the Rajya Sabha in the absence of the Chairman of the Rajya Sabha. The Deputy Chairman is elected internally by the Rajya Sabha.

NDA's Harivansh Narayan Singh becomes Rajya Sabha Deputy Chairperson on the opponent Hari Prasad.