Related Questions

On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees will be planed on a50 k.m road such that the distance between two consecutive tress is the same as that of the consecutive trees on the 2k.m road?
A 501
B 5001
C 5000
D 1000
The stopping sight distance depends upon
A total reaction time of driver
B speed of vehicle
C efficiency of brakes
D all of the above
Stopping sight distance is always
A less than overtaking sight distance
B equal to overtaking sight distance
C more than overtaking sight distance
D none of the above
Compared to a level surface, on a descending gradient the stopping sight distance is
A less
B more
C same
D dependent on the speed
একটি ধাতব তলে λ তরঙ্গদৈর্ঘ্যের একবর্ণী আলোকরশ্মি আপতিত হলে ফটো-ইলেক্ট্রন নির্গত হয় এবং এক্ষেত্রে বিভবের মান 3Vo একই তলে যখন 2λতরঙ্গদৈর্ঘ্যের একবর্ণী আলো আপতিত হয়, তখন নিবৃত্তি বিভবের মান Vol ফটো-ইলেক্ট্রন নির্গত হওয়ার জন্য ঐ তলটির সূচন তরঙ্গদৈর্ঘ্যের মান নির্ণয় কর।(A monochromatic light of wavelength λ is incident on a metallic surface then ejects photo-electron and the value of stopping potential is 3Vo. When the same surface is illuminated by a light of wavelength 2λ., the stopping potential becomes Vo. Calculate the threshold wavelength for this surface to eject photo electrons.)
A 6λ
B 8λ
C 4λ3
D λ
E 4λ
As road "traffic" increases, elevated "highways" are built to help solve "the" problem of traffic "jam".
A traffic
B highways
C the
D jam
As road traffic increases, elevated highways are built to solve the problem of traffic jam. (Identify the incorrect part of the sentence)
A elevated highways
B road traffic
C the
D traffic jam
Identify the error from the following underlined parts of the sentence. As road traffic (a) increases, elevated highways (b) are built to help solve (c) the problem of traffic jam (d). 
A a
B b
C c
D d
With increase in speed of the traffic stream, the maximum capacity of the lane
A increases
B decreases
C first increases and then decreases after reaching a maximum value at optimum speed
D first decreases and then increases after reaching a minimum value at optimum speed
Fahim and Rishad both started at the same time from point A to point B at speeds of 52 kmph and 39 kmph respectively on the same road. As soon as Fahim reaches point B, he turns back, stats toward point A on the same road, and meets Rishad on the way. How far from point B do the two of them meet, if the distance between the points is 70 km?
A 20 km
B 30 km
C 10 km
D 25 km

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