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CLASS 6TH MATHS

 

 Full marks:                    Disha study                   Time:1hr

1.     The distance between Delhi and Mumbai is usually expressed in units of (a) decametre (b) metre (c) centimetre (d) kilometer

2.   2. Which of the following does not express a time interval? (a) A day (b) A second (c) A school period (d) Time of the first bell in the school

3.   10. Correct the following. (i) The motion of a swing is an example of rectilinear motion. (ii) 1m = 1000 cm

4.   11. Fill in the blanks (i) Motion of an object or a part of it around a fixed point is known as ................ motion.    (ii) A body repeating its motion after certain interval of time is in ........... motion.        (iii) In rectilinear motion, object moves........... a ............ line.             (iv) SI unit of length is ............

5.   Write one example for each of the following type of motion.   (i) Rectilinear   (ii) Circular  (iii) Periodic       (iv) Circular and periodic

6.   7. Four pieces of wooden sticks A,B,C and D are placed along the length of 30 cm long scale as shown in Fig. 10.4. Which one of them is 3.4 cm in length? Fig. 10.4 Fig. 10.4Fig. 10.4 (a) A (b) B (c) C (d) D

7.   4. Which of the following is/are not always necessary to observe a shadow? (a) Sun (b) Screen (c) Source of light (d) Opaque object

8.   7. Two students while sitting across a table looked down on to its top surface. They noticed that they could see their own and each other’s image. The table top is likely to be made of: (a) unpolished wood (b) red stone (c) glass sheet (d) wood top covered with cloth

9.   2. Choose the incorrect statement. (a) A switch is the source of electric current in a circuit. (b) A switch help to complete or break the circuit. (c) A switch helps us to use electricity as per our requirement. (d) When the switch is open there is an air gap between its terminals

10.                3. In an electric bulb, light is produced due to the glowing of (a) the glass case of the bulb. (b) the thin filament. (c) the thick wires supporting the filament. (d) gases inside glass case of the bulb.

11.                Filament of a torch bulb is (a) a metal case. (b) metal tip at the centre of the base. (c) two thick wires. (d) a thin wire.

12.                Paheli is running short of connecting wires. To complete an electric circuit, she may use a (a) glass bangle. (b) thick thread. (c) rubber pipe. (d) steel spoon

13.                10. Three torches A, B and C shown in Fig. 11.7 are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen.

14.                The filament of a bulb is made of…………………….

15.                The opening or closing of a circuit is done by…………………………(switch/fuse)

 

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