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Which one of the following statements is/are incorrect regarding waves
(A) wave height is not indicator of wave energy
(B) wave height is controlled by wind strength
(C) the distance of open water a wave travels over affects the wave height
(D) the depth of the sea is important factors affecting wave height
Choose the most appropriate answer from the options given below:?
Option 1 : (A) only Correct Answer: (A) only. Sea Waves A moving ridge or swell of water occurring close to the surface of the sea is characterized by oscillating and rising...
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Mr Z is standing facing east. He takes a left turn and walks 5 km to reach point A. Then he takes a left turn and walks 4 km to reach point B. Then he takes a right turn and walks 3 km to reach point C. Finally, he takes a right turn and walks 10 km to reach point D.
Which side is Mr Z facing at point B?
Option 3 : WestThe diagram is given below:- [ alt="F1 Archana 21-1-22 Savita D7" src="//storage.googleapis.com/tb-img/production/22/01/F1__Archana_21-1-22_Savita_D7.png" style="width: 278px; height: 293px;"> Mr Z facing west at point B. Hence, "option 3" is the correct answer.
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There are seven persons A, B, C, D, E, F and G. Each has a different height. The height of only two persons is more than that of D. The height of B is more than that of C and F. The height of E is more than that of G. The height of A is less than that of D, but more than that of B. Height of F is not the least. Which of the following options regarding their height is correct?
Option 4 : E > G > D > A > B > F > CAs per the question, the height of seven persons is given. The height of "D" is...
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Height of six cups H, R, S, T, V and X is compared. Height of X is more than at most two cups. Height of V is more than X but less than S. Height of R is more than H. If the height of T is maximum, then which of the following sequence can be correct
I. R < X < V
II. H < R = X
III. R < X < S?
Option 4 : I, II and IIIHeight of six cups H, R, S, T, V, and X. 1) Height of X is more than at most two cups. X > _ >...
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Height of 8 boys B1, B2, B3, B4, B5, B6, B7, and B8 are compared. Height of B3 will be the least or maximum. Height of B4 is more than B6. Height of B8 is less than only 3 boys. Height of B2 is more than B1 but less than B8. Height of B2 is less than B3. If the height of B4 is less than B1, then which of the following sequence of their heights may be correct?
Option 3 : B3 > B5 = B7 > B8 > B2 > B1 > B4 > B6The logic followed is: Height of 8 boys B1, B2, B3, B4, B5, B6,...
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A solid iron pole consists of a cylinder of height 110 cm and base diameter 12 cm, which is surmounted by another cylinder of height 30 cm and radius 4 cm. Find the mass of the pole, given that 1 cm3 of iron has approximately 8 g mass. (Use π = 3.14)?
Option 1 : 111.53 kgFormula Used: The volume of the cylinder = πR2 h Where r = radius of the cylinder, h = height of the cylinder. Mass = Density × volume Given: The height of the big...
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If the complementary angle of an angle is 6° less than seven times the original angle, then find the measure of the angle which is 18° more than the supplementary angle of the original angle.?
Option 3 : 186° Given: Complementary angle = 7 × original angle - 6° Concept Used: Complementary Angles: The pair of angles whose sum is equal to 90° are called Complementary Angles. Supplementary Angles: The pair of angles...
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The angle of elevation of the top of a tower from a point on the ground which is at a distance of 70 m from the foot of the tower is 60° . Then the height of the tower is:?
Option 4 : 70\(\sqrt{3}\)Given: Distance of the point from the foot of the tower = 70 m Angle of elevation = 60° Formula used: tan θ = Perpendicular/Base Calculation: [ alt="F4 Arindam ghosh 25-5-2021 Swati D2"...
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The angle of elevation of an aeroplane from P on the ground is 60°. After a flight of 20 seconds horizontally, the angle of elevation changes 30°. Find the constant height at which the aeroplane is flying, if the aeroplane is flying at a speed of 300 m/s?
Option 3 : 3000√3 mGiven: Speed of the aeroplane = 300 m/s Time = 20 sec Formula Used: Distance = Time × Speed Calculation: [ alt="F53 Harshit 12-5-2021 Swati D2" src="//storage.googleapis.com/tb-img/production/21/05/F53_Harshit_12-5-2021_Swati_D2.png" style="width: 292px; height: 145px;"> Suppose A...
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The angle of elevation of the top of a tower from a point on ground which is 30 mtrs. away from the foot of the tower is 30°. Height of the tower is:?
Option 2 : 10 × √3 mtrs[ alt="F1 M.G 15.6.20 Pallavi D1" src="//storage.googleapis.com/tb-img/production/20/06/F1_M.G_15.6.20_Pallavi_D1.png" style="width: 164px; height: 148px;"> Given, The angle of elevation of the top of a tower from a point on...
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