state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Science Technology and Inventions
Consider the following statements about neutrinos
1. Neutrinos are charge less elementary particles that travel close to the speed of light.
2. Neutrinos are created in nuclear reactions of beta decay.
3. Neutrinos have a negligible, but nonzero mass.
4. Trillions of Neutrinos pass through human body every second.
Which of the statements given above are correct?1
1 and 3 only
2
1, 2 and 3 only
3
2, 3 and 4
4
1, 2, 3 and 4