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Study the given bar graph which shows the lifetime (in hours) of neon lamps and the number of neon lamps and answer the question that follows. The number of neon lamps having life 500 hours or more but less than 700 hours is what percent of the total number of neon lamps having life 800 hours or more?
Study the given bar graph which shows the life time (in hours) of neon lamps and the number of neon lamps and answer the question that follows. The number of neon lamps having life 800 hours or more but less than 1000 hours is what percent (correct to nearest integer) of the total number of neon lamps having life 700 hours or less?
A gas mixture with 5% Neon with pressure 10 atm at 27oC is entered a reactor with rate F, and another stream with pure Neon with 8 atm pressure at 27oC entered the reactor with rate 3 liter/s, product has 10% Neon with same conditions with rate P, what is the value of F?
A gas mixture with 20% Neon with pressure 3 atm at 27oC is entered a reactor with rate F, and another stream with pure Neon with 2 atm pressure at 27oC entered the reactor with rate 5 liter/s, product has 40% Neon with same conditions with rate P, what is the value of F?
Five energy levels of a system including the ground state are shown below. Their lifetimes and the allowed electric dipole transitions are also marked.
Atomic and Molecular Physics mcq question image
Which one of the following transitions is the most suitable for a Continuous Wave (CW) laser?
Read the given statement and courses of action carefully. A course of action is a step or administrative decision to be taken for improvement, follow up or further action in regard to the problem, policy, etc. Assuming that the information given in the statement is true, decide which of the given courses of action logically follow(s) from the statement. Statement: Some serious and substantial mistakes were found in the financial account statements of a private limited company. Courses of Action: I: A team of experts should be assigned to find the root cause of the mistakes in the accounts of the private limited company and suggest remedial action II: All the involved employees should be thoroughly investigated.
Consider the following statements regarding electronic voltmeter. 1) The detection of low-level signals is not possible using the electronic voltmeter 2) MOSFET is used at the input of the electronic voltmeter 3) Vacuum tube voltmeters (VTVM) consumes more power as compared to any non-electronic voltmeter. Which of the following is / are incorrect?
Study the given histogram and answer the question that follows. The total number of neon lamps having lifetime of 800 or more hours is approximately what percentage more than the total number of neon lamps having lifetime of 400 or more hours but less than 800 hours?
A closed container contains 0.6m3 of neon gas at 200K temperature and 1.3*105Pa. Find the rise in temperature when 8360 J of heat is supplied to it. The molar heat capacity of neon at constant volume is 3.2calK-1mol-1. Assume the container doesn’t expand on heating.
Which of the following statements are correct? A. Laser printers use dry ink B. Unlike dot matrix and inkjet printers, laser printers do not use ink when producing a document C. Laser printers use the property of static electricity D. Laser printers produce ozone gas and tiny toner particulates in the air Choose the correct answer from the options given below