Board Bihar Board of Open Schooling and Examination [BBOSE] Class 10th / X Subject Science Subject Code 216 Download Model Question Paper Document Type PDF Official Website https://bboseonline.bih.nic.in/WP/BBOSE/Default.aspx

## BBOSE Class 10th Science Model Question Paper

Download Bihar Board of Open Schooling and Examination [BBOSE] Class 10th Science Model Question Paper

## BBOSE Class 10th Science Model Questions

Fill in the blanks :-
1. The S.I. Unit of momentum is ………. (Kgm/s / ms-1)
2. Work is the ————– of force and displant. (product/sum)
3. Cancave mirror is used in the ………………. of vehicle. (Head light/Side Mirror)
4. The S.I. Unit of electric current is …………. (Volt/Ampere)
5. The S.I. Unit of speed is …. ………….
6. Newton’s first law of motion is also called . ………….
7. The experimental value of G in equal to …………. Nm2 Kg-2
8. Newton’s first law of motion is called law of …………….. (Inertia/Momentum)
9. Newton’s law of gravitation have …………. laws. (one/two)
10. On increase of temperature the speed of sound ………….. (increases/decreases)
11. Work= force x ………….
12. S.I. Unit of resistence is ……….

(II) Choose the correct answer from the alternatives :-
1.Audometer of a vehicle measures –
(a) Speed (b) Velocity (c) Distance (d) Force

2. The S.I. unit of work is –
(a) Metre (b) Metre/Sec. (c) Newton (d) Jule

3.How many colours are found in Sun Light –
(a) Three (b) Seven (c) Five (d) Six

4. Below 20Hz of sound frequency is called –
(a) Ultrasonic (b) Infrasonic (c) Audiable (d) None

(III) Write ‘TRUR’ or ‘FALSE’ :
1. Velocity of light in different medium is variable.
2. Dispersion of light into its component colours called dispersion of light.
3. The S.I. unit of electrical charge is coloumb.
4. Electric motor converts mechanical energy into electrical energy.
5. The rate of change of momentum is proportional to the applied force.
6. Momentum have both magnitude and direction.
7. Force is equal to sum of mass and acceleration.
8. Every body possess the properties of Inertia.

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