Q1281.Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?
Correct answer: Scintillation counter
Q1282.The practice of using more than one type of medium in computer at the same time is called
Correct answer: Multimedia
Q1283.Which has is filled at low pressure in a tube light?
Correct answer: Neon and Mercury vapour
Q1284.Among the following radiations, which has the highest energy?
Correct answer: X-ray
Q1285.The ability of an operating system to run more than one application at a time is called
Correct answer: Multitasking
Q1286.Tubelight is filled with
Correct answer: Both (B) and (C)
Q1287.The energy of Sun is released due to
Correct answer: Nuclear fusion
Q1288.What can we send through video mail?
Correct answer: All of the above
Q1289.A solution turns red litmus blue. The pH of solution is
Correct answer: None of these
Q1290.The stars receive their energy from which of the following?
Correct answer: Nuclear fusion
Q1291.Video conferencing is
Correct answer: Conduct of video calls using telecom technology
Q1292.Which acid is considered as a basic chemical in Industry?
Correct answer: H2SO4
Q1293.Which one of the following is the source of renewable energy in stars?
Correct answer: Hydrogen changes into helium
Q1294.Which of the following devices is compulsory for video conferencing?
Correct answer: Webcam
Q1295.Goldsmiths uses aqua regia, which is prepared by mixing
Correct answer: Nitric acid and Hydrochloric acid
Q1296.Source of energy from the Sun is
Correct answer: Nuclear fusion
Q1297.E-Mail stands for
Correct answer: Electronic Mail
Q1298.pH value shows the Numeric value of
Correct answer: Analysing the nature of solution acidic or basic
Q1299.What is the source of electrical energy in an artificial satellite?
Correct answer: Solar cells
Q1300.What are the two parts of e-mail address?
Correct answer: Username and domain name