UPSC Science and Technology

2021-08-28 17:38:32 Scalar Quantities

Physical quantities which have magnitude only and no direction are called scalar quantities.

Example: Mass, speed, volume, work, time, power, energy etc.

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2021-08-28 17:36:40 Topic - General Science Laws of Motion , Starting now Open / Comment

2021-08-28 12:04:10 Semiconductors are present in most of the modern electronic devices that we use. Which of the following statements is/are true regarding semiconductors?

1. The resistivity of semiconductors is more than insulators but less than conductors.

2.The most commonly used semiconductor elements are Silicon and Germanium. Open / Comment

2021-08-27 19:08:53 ATTEMPT ALL UPSC PRELIMS PYQ AT ONE PLACE all YEARS


https://t.me/EXECUTEIAS/2940 Open / Comment

2021-08-27 14:39:05 New topic will start today in our channel

Topic Name - General Science Laws of Motion

Content posting time - around 8 pm, but we will try to post it on correct 8 pm

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2021-08-27 13:31:53 Consider the following statements regarding the Bharat Stage norms:

I. BS norms are emission control standard put in place by the state to keep check on the level of air pollution done by the vehicles.

II. The Government decided to implement BS V emission norms from 1st April 2020 after BS IV Open / Comment

2021-08-27 10:36:28 Consider the following statements regarding Project Mausam-

1. It aims to understand how the knowledge and manipulation of the monsoon winds has shaped interactions across the Indian Ocean

2. Archaeological Society of India (ASI) is the nodal agency and Indira Gandhi National Centre for the Arts (IGNCA) is its Research Unit under Project Mausam Open / Comment