When a radioactive substance is kept in a vessel, the atmosphere around it is rich with

When a radioactive substance is kept in a vessel, the atmosphere around it is rich with
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When a radioactive substance is kept in a vessel, the atmosphere around it is rich with A. Ne B. Ar C. Xe D. He
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Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the rate of (P/4) + 3.0 percentage of water where P is the percentage of water for standard consistency (C) A cube mould of 10 cm × 10 cm × 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity

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What planet atmosphere is rich with oxygen and nitrogen?

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Last Answer : Feel Free to Answer

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Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) Stratosphere is rich in ozone and is located just above the troposphere (C) Troposphere is a turbulent dusty zone containing much of water vapor and clouds (D) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

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This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.

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If a substance is kept at atmospheric pressure what is its phase of matter completely depend on?

Description : If a substance is kept at atmospheric pressure what is its phase of matter completely depend on?

Last Answer : Need answer

A fluid is a substance, that (A) Has to be kept in a closed container (B) Is almost incompressible (C) Has zero shear stress (D) Flows when even a small shear is applied to it

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Last Answer : (D) Flows when even a small shear is applied to it

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Last Answer : (2) Charged particles emitted by nucleus Explanation: A beta ray is a high-energy, highspeed electron (negatively charged) or positron (positively charged) emitted in the radioactive decay of an atomic nucleus, such as a potassium40 nucleus, in the process of beta decay.

Most of what we call background radiation comes from two sources. One is the naturally radioactive elements around us. What is the other source?

Description : Most of what we call background radiation comes from two sources. One is the naturally radioactive elements around us. What is the other source?

Last Answer : ANSWER: COSMIC RADIATION

Beta rays emitted by a radioactive material are (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

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Last Answer : Charged particles emitted by nucleus

1/125th part of nitrogen gas isolated from atmosphere did not combine with any other substance due to

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The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination

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Last Answer : ANSWER: X -- DELIQUESCENCE