Question : Beta rays emitted by a radioactive material are
Option 1: The electrons orbiting around the nucleus
Option 2: Charged particles emitted by the nucleus
Option 3: Neutral particles
Option 4: Electromagnetic radiations
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Correct Answer: Charged particles emitted by the nucleus
Solution : The correct answer is Charged particles emitted by the nucleus .
Ionizing radiation, known as beta rays or particles, is emitted by specific radioactive materials. The particles released from the nucleus of an unstable atom during a process known as beta decay are high-energy, high-speed electrons, or positrons.
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Question : Which is a beta-emitting radioactive isotope of hydrogen that has one proton and two neutrons in its nucleus, making it three times as heavy as a hydrogen nucleus and one and a half times heavier than deuterium?
Question : Directions: In the following question, improve the bracketed part of each sentence.
The project is running behind schedule (for around) three years.
(1) in around
(2) at around
(3) by around
(4) No
Question : The famous Oersted experiment and Michael Faraday's discovery of electromagnetic induction are separated by approximately how many years?
Question : The light is composed of small particles, called_______.
Question : Which of the following provides a definite shape to cells?
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