Engineering Questions
409 solved questions with detailed explanations
Q.53. Bromine trifluoride autoionizes to form BrF and BrF. The shapes of the cation and anion are respectively _______ and _______.
Q.14. The shortest distance between the lines and is:
Q.24. For the functions , and , , let . If the first term of a G.P. is , its common ratio is and the sum of its first 10 terms is , , then is equal to ________.
Q.47. Some distance star is to be observed by some telescope of diameter of objective lens , at an angular resolution of radian. If the wavelength of light from the star reaching the telescope is 500
Q.43. In Rutherford's alpha-particle scattering experiment, only a few alpha particles rebound back because (A) The size of gold nucleus is very small as compared to the size of gold atom. (B) Alpha p
Q.28. The velocity of a particle is given as . The magnitude of acceleration at point is ____ .
Q.65. Complete the following reaction sequence and give the name of major product 'P'. (Major product)
Q.71. The first and second ionization constants of H₂X are and respectively. The concentration of X²⁻ in 0.1 M H₂X solution is M. (Nearest Integer)
Q.15. The square of the distance of the point from the line along the line is equal to:
Q.24. Let a circle C have its centre in the first quadrant, intersect the coordinate axes at exactly three points and cut off equal intercepts from the coordinate axes. If the length of the chord of C