Learn Most Common Verbs in English in 1 Minutes | Wink, Yawn, Bite, Wave #shorts

The speed of a wave in a mediium is 960ms^(-1) . If 3600waves are passing through a point in medium in 1 minute. What is the wavelength of waves?

A sound wave travelling in a medium is represented as shown in the figure. If vibrating source of sound makes 360 oscillations in 2 minutes, then the amplitude, wavelength and frequency of the sound wave are respectively (Take velocity of sound as "342 m s"^(-1) )

The speed of wave in a certain medium is 100m/s . If 1000 waves pass over a certain point of the medium in 1 minute 40 second, the wavelength is

A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in the publishing business is a point, defined as 1/72 inch. What is an area of 0.75 "gry"^(2) in points squared ( "points"^(2) )?

Study the following information carefully and answer the given questions. In a school 4 students A, B, C and D appeared in an English examination which is consist of 15 short and 4 long questions are asked. Each of short question carry 5 marks and each of long questions carry 10 mark and for a spelling error 0.5 mark is deducted. For not attempting a question, zero marks is awarded. In the English exam, A answered (x + 6) short questions, x long questions and did (2x + 10) spelling errors. Ratio of number of spelling errors made by A and B is 8 : 3. Total marks scored by D is 86. Ratio of short and long questions answered by B In the English exam is 5 : 1 and he scored total 102 marks. C scored 35 marks more in short questions than long questions except spelling errors and the number of spelling errors made by C is equal to the difference of the number of spelling errors made by A and B. Number of short questions answered by D is average of that answered by A and B. Percentage of number of long questions answered among all the question answered by D is 20% . Average of the number of spelling errors made by all four students A, B, C and D is 10. Each student attempts integral number of short as well as long questions. Average number of short questions answered by A, B, C and D is 11.75, then the total marks scored by C in the English exam is

In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank. English is not a language that (1)______ in India. But it is used extensively in (2)______country. India comes second on the list of countries (3)______most English speakers, albeit not as the first language. English is more (4)______than any single Indian language! It has managed to (5)______the entire world. Select the most appropriate option to fill in blank No.(1)