# CBSE Class 11 PSA Physics Sample Paper Set A

Read and download PDF of CBSE Class 11 PSA Physics Sample Paper Set A designed as per the latest curriculum and examination pattern for Class 11 issued by CBSE, NCERT and KVS. The latest Class 11 PSA Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in PSA Standard 11 which they need to study more to get better marks in Grade 11 exams. After solving these guess papers also refer to solved Class 11 PSA Question Papers available on our website to build strong understanding of the subject

## PSA Sample Paper Class 11

Students can refer to the below Class 11 PSA Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 11 exams. Please download CBSE Class 11 PSA Physics Sample Paper Set A

### PSA Class 11 Sample Paper

CBSE Class 11 PSA Physics Sample Paper Set A. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

Stand Alone Questions

1. In a game of tug of wars, two opposite teams are pulling the rope with equal (magnitude) but opposite forces of thousands kg wt at each end of the rope. The tension in the rope if a condition of equilibrium exists will be

(a) equal to 1000 kg wt

(b) less than 1000 kg wt

(c) more than 1000 kg wt

(d) equal to 980N.

2. A ball 'x' is dropped vertically and another 'y' is thrown horizontally from the same point. Which of the two balls will reach the ground earlier ?

(i) x

(ii) y

(iii) both will reach the ground simultaneously

(iv) ball 'y' will never reach the ground.

3. Let water and oil be the two liquids in the two limbs of a U- tube. Suppose water stands 16cm above the interface and oil stands 20cm above the interface. Which of the following is correct ? Given density of water = 1000 kg /cu.m

(i) density of oil is 800 kg/cu.m

(ii) specific gravity of oil is 800.

(iii) specific gravity of oil is 0.8

(iv) both (i) and (ii)

4. If the masses of all the molecules of a gas are halved and their speeds are doubled, then the ratio of initial and final pressures will be

(i) 2 : 1

(ii) 1 : 2

(iii) 4 : 1

(iv) 1 : 4

________

Passage Based Questions

To encourage “Energy Conservation & Environment Protection” in the industrial sector PCRA has been continuously upgrading the energy conservation knowledge through energy audits and sharing the experience of energy efficiency improvement and achievement of industries. The case study detailed below is one of the modification carried out by Visakhapatnam Steel Plant, Rashtriya Ispat Nigam Ltd. Rashtriya Ispat Nigam Ltd. is the corporate entity of Visakhapatnam Steel Plant,which has a capacity to produce 2.656 Mt of saleable steel of which 2.410 Mt is finished steel.Steel making is energy intensive in nature. There are 11nos. of 1700KW and 9 nos. of 1000KW main drive DC motors installed to run the mill stands. They are run at different speeds as required for the profile being rolled. During normal operation,the motors run at lesser field currents. However, when the mill is stopped and the drive is kept ready for rolling, the field current remain at 100%. It was observed that operating at 100% field currents during non rolling period is leading to energy wastage as the duration of rolling is 18Hrs. and non-rolling period is 6Hrs. per day.

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