Asmall block of mass of 0 1 kg lies on a fixed inclined plane PQ which makes an angle with

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Previous Question: A person blows into open-end of a long pipe. As a result, a high-pressure pulse of air travels down the pipe. When this pulse reaches the other end of the pipe. (A) a high-pressure pulse starts traveling up the pipe, if the other end of the pipe is open. (B) a low-pressure pulse starts traveling up the pipe, if the other end of the pipe is open. (C) a low-pressure pulse starts traveling up the pipe, if the other end of the pipe is closed. (D) a high-pressure pulse starts traveling up the pipe, if the other end of the pipe is closed. Next Question: Consider the motion of a positive point charge in a region where there are simultaneous uniform electric and magnetic fields j E  E0  and j B  B0  . At time t = 0, this charge has velocity v  in the x-y plane, making an angle  with x-axis. Which of the following option(s) is(are) correct for time t > 0 ? (A) If  = 0°, the charge moves in a circular path in the x-z plane. (B) If  = 0°, the charge undergoes helical motion with constant pitch along the y-axis. (C) If  = 10°, the charge undergoes helical motion with its pitch increasing with time, along the y-axis. (D) If  = 90°, the charge undergoes linear but accelerated motion along the y-axis.

(#M40027939) IIT-JEE question 2012 question Keep an EYE

Asmall block of mass of 0.1 kg lies on a fixed inclined plane PQ which makes an angle  with the horizontal. A
horizontal force of 1 N on the block through its center of mass as shown in the figure. The block remains
stationary if (take g = 10 m/s^2): Asked In IIT-JEE MAN (10 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Latest IIT-JEE Aptitude Question SOLUTION: Asmall block of mass of 0.1 kg lies on a fixed inclined plane PQ which makes an angle  with the horizontal. A horizontal force of 1 N on the block through its center of mass as