UNIQUE SCIENCE ACADEMY

Transcription

1 UNIQUE SCIENCE ACADEMY Test (Unit1) Name :... Paper: Physics Date :... Class: C1 Time Allowed: 3Minutes Maximum Marks: 2 Theory Section: 1 [Total 17 Marks] 1 A piece of string wraps around a cylinder 8 times. string cylinder Fig. 1.1 Fig. 1.2 shows the string laid along a 30 cm rule. string cm 30 (a) How long is the string? Fig. 1.2 (b) Calculate the circumference (distance once round) the cylinder. length of string =... cm [1] circumference of cylinder =... cm [2] [Total: 3]

2 2 2 A worker on the production line in a factory is making brackets. An inspector times the worker whilst he makes brackets. To start, the stopwatch is set to zero. After brackets have been made, the stopwatch is as shown in Fig (a) State the reading on the stopwatch. Fig.2.1 reading =... s [1] (b) Calculate the time taken to make 1 bracket. time taken =... s [1] (c) The worker has a target of making 300 brackets per hour. Does the worker meet his target? Tick one box and show the working which led you to your answer. Does the worker meet his target? Yes No [2] [Total: 4]

3 3 3 (a) A measuring cylinder contains 0 cm 3 of water. 20 cm 3 of the water is poured into a beaker. On Fig.3.1, mark the level of the water left in the cylinder. [1] cm (b) Fig.3.1 A rule, calibrated in cm, is placed alongside the measuring cylinder, as shown in Fig.3.2. cm (i) (ii) Fig.3.2 What is the length of the measuring cylinder, from zero up to the 0 cm 3 mark?... The volume of a cylinder is found using the equation volume = cross-sectional area length. Calculate the cross-sectional area of the measuring cylinder. cross-sectional area =... [2] [Total: 3]

4 A schoolteacher is concerned about the large number of vehicles passing along the busy road next to the school. He decides to make a measurement to find the number of vehicles per minute. Using the school clock he notes the following readings appearance of clock at beginning of investigation appearance of clock at end of investigation vehicles counted travelling left to right = 472 vehicles counted travelling right to left = 228 (a) Calculate the time for which the schoolteacher was counting vehicles. counting time =... min [1] (b) Calculate the total number of vehicles passing the school per minute. vehicles per minute =... [2] [Total: 3]

5 MCQ SECTION: [Total 8 Marks] 1 Vernier calipers read to one tenth of a millimetre. Which reading shows this precision? A 3.3 cm B 3.31 cm C 3.3 cm D cm 2 Which instrument is most easily used to measure the internal diameter of a pipe? 6 A manometer C B measuring cylinder D 3 What is the reading on this micrometer? 0 mm micrometer vernier calipers 20 1 A.43 mm B 6.63 mm C 7.30 mm D 8.13 mm 4 The width of a wooden block is measured using vernier calipers. mm 1 mm 0 wooden block What is the width of the block? A 8. mm B 13.3 mm C 13.0 mm D 13. mm

6 The diagram shows the level of liquid in a measuring cylinder cm 3 liquid What is the volume of the liquid? A 14 cm 3 B 18 cm 3 C 19 cm 3 D 22 cm 3 6 A cylindrical can is rolled along the ruler shown in the diagram. starting position final position can rolled mark on can 0 cm cm The can rolls over twice. What is the circumference (distance all round) of the can? A 26 cm B 28 cm C 2 cm D 6 cm 7 A metre rule is used to measure a length. Which reading is shown to the nearest millimetre? A 0.7 m B 0.76 m C m D m

7 8 A rule is used to measure the internal diameter of a pipe. 8 pipe rule 4 cm cm 6 cm What is the internal diameter of the pipe? A 1.6 cm B 1.8 cm C 2.0 cm D 2.6 cm MCQ Answer Sheet 1 A B C D A B C D 2 A B C D 6 A B C D 3 A B C D 7 A B C D 4 A B C D 8 A B C D Dedicated to Mohammad Irtaza Haider Zain.

8 4 Fig.4.1 shows the top part of a measuring cylinder containing some liquid. 4 cm liquid (a) (b) (c) Fig.4.1 What is the volume of liquid in the measuring cylinder? volume =...cm 3 [1] Fig.4.1 indicates four ways the observer s eye could look when taking the reading from the measuring cylinder. Put a circle around the eye position that gives the correct reading. [1] In order to fill the measuring cylinder up to the 0 cm 3 mark, 80 drops of the liquid are added to the liquid already in the measuring cylinder. Calculate the average volume of one drop. average volume of a drop =...cm 3 [2] [Total: 4]