CBSE Class 10 Science Sample Paper SA2 2015 (2). CBSE issues sample papers every year for students for class 10 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 10 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.
1) If equal weights of oxygen and nitrogen are kept in separate containers at the same temperature then.
a) Both the containers have the same number of molecules.
b) More molecules are present in the oxygen container.
c) The pressure of the nitrogen container is greater than that of the oxygen container.
d) The pressure of the oxygen container is greater than that of the nitrogen container.
2) A boy is standing on a truck which is moving with constant speed along a straight road. On a day when wind is negligible, the boy throws a ball vertically up with some velocity. The ball comes back and falls
a) into boy’s hand
b) Behind the boy
c) In Front of the boy
d) Behind or in front of the boy depending on the speed of the truck and ball.
3) If x√ 75= y √45 = z√15= 0 , then which of the statement is true
a) x + y = 2z b) x + y=3z c) x – y= 2z d) x – y = 3Z
4) The pressure at the bottom of the four vessels filled with water to the same level is P1, P2, P3 and
P4 respectively. Then which of the following conclusion is correct.
a) P1 > P2> P3 > P4 b) P1 < P2< P3 < P4 c) P1 = P4 =P2> P3 d) P1 = P2= P3 = P4
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