10th Full Book Physics paper Smart syllabus ALP

Test: Physics   10th Full Book Physics   Class: 9^th       Marks:        Time: 

Q.1: Choose the correct answer: 10

1- When the horse pulls a cart, the action is on the. 

1. a) cart
2. b) earth                                 
3. c) Horse                                
4. d) earth and cart 

2- The resultant of all the force acting on a body is called. 

1. a) force               
2. b) friction force                   
3. c) net force                          
4. d) gravitational force 

3- A body is an equilibrium when its. 

1. a) acceleration is uniform
2. b) speed is uniform
3. c) speed and acceleration are uniform  
4. d) acceleration is zero 

4- SI unit of Torque is

1. a) N.m
2. b) N S                                    
3.  c) N m^-1                                  
4. d) N S^-1 

5- Earth gravitational force  of attraction  vanishes at

1. a) 6400km
2. b) infinity                              
3. c) 42300 km                         
4. d) 1000 Km 

6- …………… device converts light energy into electrical energy

1. a) electric bulb
2. b) electric generator          
3. c) photocell                          
4. d) electric cell 

7- SI unit of pressure is the pascal, which is equal to. 

1. a) 10⁴ Nm^-2
2. b) 1Nm^-2                
3. c) 10²Nm^-2                             
4. d) 10³Nm^-2 

8- The temperature of 50^oC on the Celsius scale is equal to the Fahrenheit scale. 

1. a) 112^oF
2. b) 120^oF                                
3. c) 122^oF                                 
4. d) 123^oF 

9- Metals are good conductor of heat due to the 

1. a) free-electron
2. b) big size of the molecules  
3. c) small size of their molecules
4. d)  Rapid vibrations of their atom

10-……….. is the smallest quantity of the following

1. a) 0.01g
2. b) 2 mg                                  
3. c) 100μg                                               
4. d) 500n g 

11- A change in position is called: 

1. a) speed
2. b) velocity                            
3. c) displacement                   
4. d) distance 

12- A train is moving at a uniform speed of 36 Kmh^-1 its speed expressed in ms^-1 is 

1. a) 10ms^-1
2. b) 20ms^-1                               
3. c) 25ms^-1                               
4. d) 30 ms^-1 

 

Q.2:Write the short answer: (any 6)  6x2=12

1-            What is meant by Base quantities? 

2-            What is meant by vernier constant? 

3-            Differentiate between Distance and displacement. 

4-            Define rotator motion. 

5-            Can a body moving at a constant speed have an acceleration? 

6-            What is meant by inertia? 

7-            Differentiate between mass and weight. 

8-            How can you relate a force with the change of momentum of a body?

9-            Define perpendicular components. 

Q.3:        Write the short answer: (any 5)  5x2=10

1-            Define Torque and its equation. 

2-            What is Neutral Equilibrium? 

3-            What is meant by gravitational field? 

4-            Define weight and its unit.

5-            Define work and its equation.

6-            Define mechanical energy.

7-            Why fossil fuels are known as nonrenewable sources? 

8-            Describe the importance of wind energy.

Q.4:        Write the short answer: (any 5)   5x2=10

1-            What are some important features of the kinetic molecular model of matter? 

2-            Explain how a submarine moves up the water surface and down into the water. 

3-            Differentiate between heat and temperature. 

4-            What is meant by heat capacity and write its formula. 

5-            Why does heat flow from a hot body to a cold body? 

6-            Define latent heat of fusion. 

7-            On what factors the rate of heat flow in solids depends?

8-            Explain the impacts of the greenhouse effect on global warming. 

Extensive: Attempt any three questions.

Q.5:       a) Define the first equation of motion with the help of a graph. 

6. b) A chocolate wrapper is  6.7cm long and 5.4 cm wide. Calculate its area up to a reasonable number of significant figures. 

Q.6:       (a)  Define Newton’s Second law of motion. Derive the equation  F = ma 

             (b) Find the magnitude and direction of a force. If its X-components is 12N and Y-Component is 5N 

Q.7:      (a) Define kinetic energy and also derive its equation. 

              (b) Two lead spheres each of mass 100 kg are kept with their centers 1m apart. 

Q.8:      (a) Write a note on the hydraulic press. 

             (b) The density of air is 1.3 Kgm-3. Find the mass of air in a room measuring 8m x 5m x 4m. 

Q.9:      (a) Define thermals. How it helps the birds to fly for hours without flapping their wings? 

             (b) How much heat is required to increase the temperature of 0.5kg of water from 10^oC to 65^oC. 

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