Related Questions

Rain drops falling through atmospheric air attain limited terminal velocity, because of
A Upward thrust due to air
B Viscous force exerted by air
C Surface tension effects of water
D Force of gravity
When sunlight passes through tiny suspended rain drops it produces ---
A Rainbow
B White light
C Ultraviolet ray
D None
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as
A Hip
B Gable
C Ridge
D Eaves
Rain drops fall from great height. Which among the following statements is true regarding it?
A They fall with that ultimate velocity, which are different for different droplets
B They fall with same ultimate velocity
C Their velocity increases and they fall with different velocity on the earth
D Their velocity increases and they fall with same velocity on the earth
If S is the sum of three angles of a spherical triangle, the spherical excess equals
A S - 90°
B S - 180°
C S - 270°
D S - 360°
From 7 : 00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased ti fall at a rate of 1.25 inches every two hours. How many inches of rain landed on the ground by 5:00 PM?
A 6 inches
B 7 inches
C 5.5 inches
D 9 inches
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
A tipping bucket type
B weighing type
C floating type
D Simon’s raingauge
কোন এক বৃষ্টির দিনে ফাউজিয়া জানালার পাশে দাঁড়িয়ে দেখছিল বৃষ্টি উলম্বভাবে 6 km/hr বেগে পতিত হচ্ছে। ফাউজিয়া লক্ষ্য করল, রাস্তায় একজন লোক 4 km/hr বেগে হাঁটছে এবং অপরজন 8 km/hr বেগে সাইকেলে যাচ্ছে। হেঁটে চলা লোকটির সাপেক্ষে পড়ন্ত বৃষ্টির লব্ধি বেগ কত? (On a rainy day, Faoziya observed that rain was falling with a vertical velocity of 6 km/hr. She also saw that a person was walking with 4 km/hr and another person was riding a bi- cycle with 8 km/hr. What is the resultant velocity of rain with respect to the walking person?)
A -7.016 km/hr
B 9.01 km/hr
C 8.21 km/hr
D 7.21 km/hr
E 7.0 km/hr
The current gain of a bipolar transistor drops at high frequencies because of
A Transistor capacitances
B High current effects in the base
C Parasitic inductive elements
D The early effect

Next steps