1. Why an astronaut can’t hear his companion at the surface of the moon?

Answer: There is no medium for sound propagation

Reply

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Show Similar Question And Answers
QA->Why an astronaut can’t hear his companion at the surface of the moon?....
QA->In Kiran’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Kiran and he thinks that Kiran’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Kiran?....
QA->A man is 24 years older than his son. In two years, his age will be twice the age of his son. What is the present age of his son?....
QA->Who was the first astronaut to land on moon?....
QA->When yellow light is incident on a surface no electrons are emitted while green light can emit. If the red light is incident on the surface then?....
MCQ->Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives. In short, to write a good letter you must approach the job in the lightest and most casual way. You must be personal, not abstract. You must notsay, 'This is too small a thing to put down'. You must say, 'This is just the sort of small thing we talk about at home. If I tell them this they will see me, as it were they'll hear my voice, they'll know what I'm talking about'. That is the purpose of a letter. Carlyle had the trick to perfection. He is writing from Scotsbrig to his brother Alec in Canada and he begins talking about his mother. Good old Mother, he says, 'she is even now sitting at my back, trying at another table to write you a small word with her own hand the first time she has tried such a thing for a year past. It is Saturday night, after dark we are in the east room in a hard, dry evening with a bright fire to our two selves Jenny and her Barns are 'scouring up things' in the other end of the house and below stairs the winter operations of the farm go on, in a subdued tone you can conceive the scene! How simple it is and yet how perfect. Can not you see Alec reading it in his far-off home and his eyes moistening at the picture of his old mother sitting and writing her last message to him on earth? Subdued tone means _______....
MCQ->Find the electric charge required on the earth and moon to balance their gravitational attraction if the charge on the earth is 12.5 times that on the moon. Mass of moon = 6.7 x 1022 Kg Mass of earth = 6 x 1024 Kg Distance between moon and earth = 380 Km Universal gravitational constant = 6.7 x 10-11 Nm2/Kg2...
MCQ->The following statements relate to the pressure exerted by a fluid on a Submerged curved surface : 1. The vertical component of hydrostatic force acting on a submerged curved surface acts through the centre of volume of the fluid directly above the submerged area. 2. The horizontal component of the force acting on a curved surface is the hydrostatic force acting on the vertical projection of the curved surface. 3. The resultant force on a curved surface acts on the bottom of th6 curved surface. Of these statements :...
MCQ->The astronaut who landed first on the surface of moon?...
MCQ->The astronaut who landed or stepped down first on the surface of moon:...
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution