Related Questions

When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is
A the violet ray
B the red ray
C the green ray
D the blue ray
--------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
Which colour of light shows maximum deviation when passed through a prism ?
A White
B Red
C Violet
D Green
Which colour of light shows maximum deviation when passed through a prism?
A White
B Red
C Violet
D Green
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
The[ triangular base of a prism is a right triangle of sides a and b = 2a . The height h of the prism is equal to 10 mm and its volume is equal to 40 mm3 , what will be the lengths of the sides a and b of the triangle ?
A 2 mm and 3 mm
B 1 mm and 4 mm
C 2 mm and 2 mm
D 2 mm and 4 mm
A regular hexagonal base prism has height 8 cm and side of base is 4 cm. What is the total surface area (in cm2) of the prism?
A 54(3 + \u221a3)
B 36(3 + \u221a3)
C 48(4 + \u221a3)
D 24(4 + \u221a3)

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