Related Questions

When a beam of white light is allowed to fall on a prism, the maximum deviation of the emerging light occurs for
A red light
B violet light
C yellow light
D blue light
--------through a prism, a beam of white light breaks into all the colors of the rainbow.
A When shines
B It shines
C It is shone
D When shone
The rectangular beam 'A' has length ‘l’, width ‘b’ and depth ‘d’. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be _________ as compared to beam ‘A’.
A Same
B Double
C Four times
D Six times
A simply supported beam 'A' of length l, breadth b, and depth d carries a central point load W. Another beam 'B' has the same length and depth but its breadth is doubled. The deflection of beam 'B' will be __________ as compared to beam 'A'.
A One-fourth
B One-half
C Double
D Four times
The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
A Same
B One-half
C One-fourth
D One-eighth
The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.
A Same
B Double
C Four times
D Six times
Light breaks into how many different colors when it passes through a prism? ( প্রিজমের মধ্যদিয়ে আলো প্রবেশ করলে কয়টি রর্ণ তৈরি করে? )
A 7
B 12
C 3
D 1
The surface of a certain planet reflects 80 percent of the light that strikes it. The clouds around the planet then absorb 40 percent of the reflected light. What percent of the light that strikes the planet is reflected from the surface and passes through the clouds without being absorbed?
A 32%
B 40%
C 48%
D 60%
A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is
A 0.207
B 0.307
C 0.407
D 0.508
'------through a prism, a beam of light breaks into colors of a rainbow'. Which of the following completes the sentence.
A When shines
B It is seen
C It is shown
D When seen

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