NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 26 - 32 of 828
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Question number: 26
Appeared in Year: 2013
An electron moving with uniform velocity in x direction enters a region of unifonn magnetic field along y direction. Which of the following physical quantity (ies) is (are) non-zero and remain constant?
I. Velocity of the electron.
II. Magnitude of the momentum of the electron.
III. Force on the electron.
IV. The kinetic energy of electron.
Only II and IV.
Only III and IV
Only I and II.
|d.||None of the above|
In the following passage, there are blanks, each of which has been numbered. For each blank four words are suggested, one of which fits the blank. Find the appropriate word in each case.
Some people believe that marriages are made in heaven. One cannot say ________ (1) ________ this is true or not. However, in America now many ________ (2) ________ who get married seek to evolve a foolproof ________ (3) ________ to ensure that the marriage survives. However, the idea of married persons ________ (4) ________ the burden a domestic chores, instead of all the dirty work ________ (5) ________ dumped on the woman had ________ (6) ________ been propagated ________ (7) ________ the feminist ________ (8) ________.