Question
Which of the following is an alpha particle which is
emitted in radioactivity?Solution
Alpha particle consists of a helium atom having 2 electrons, 2 protons and 2 neutrons. Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino. A material containing such unstable nuclei is considered radioactive Hence, option A is correct.
Losar (a new year festival) is celebrated in which of the following states?
Who has been named as the leader of Opposition in Rajya Sabha in Feb 2021?
Turkey is located between
Who among the following was the court poet of Alauddin Khilji who wrote the famous poem 'Hasht-Bihisht'?
Which organization has decided to impose a carbon tax (CBAM) on products from certain sectors like steel and cement from countries such as India and China?
The multinational maritime exercise ‘Sea Dragon’ is associated with the navy of which country?
Deep Grace Ekka has been selected for the prestigious Arjuna Award 2022 for her contribution to which of the following game?
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65, 180, 81, 6, 63, 27, 122, 8, 165, 50
In which of the following locations was the Global Venture Capital Summit 2018 held?
In which language was ‘Hind Swaraj’ written by Mahatma Gandhi?
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