CBSE Class 10 Physics Reflection Refraction Of Light Worksheet

MULTIPLE CHOICE QUESTIONS Question : Rays from sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object? (a) 15 cm in front of the mirror (b) 30 cm in front of the mirror (c…

CBSE Class 10 Physics Human Eye Colorful World Worksheet B

Question : Stars appears to be twinkling because of a. atmospheric refraction b. reflection c. Tyndall effect d. spectrum   Answer :  B     Question : When a person is myopic, he/ she can clearly see  a. Only nearby objects b.…

CBSE Class 10 Physics Electricity Worksheet

Question : Two resistors of resistances 2 Ω and 4 Ω when connected to a battery will have a) Same current flowing through them when connected in parallel b) Same current flowing through them when connected in series c) Same potential difference across them when connected…

CBSE Class 10 Physics Tungsten Assignment

1. Why tungsten is used exclusively for filaments of electric bulbs? 2. When you break a bar magnet in half, how many poles does each piece have? 3. Which of the compass-needle orientations in the figure below might correctly describe the magnet’s field at that point? 4.…

CBSE Class 10 Science Human Eye and Colorful World Assignment Set C

Question : Which of the following colors is least scattered by fog, dust of smoke? (a) Violet (b) Blue (c) Red (d) Yellow Answer :  C Question : Which of the following statements is correct regarding the propagation of light of different colors of white light in air…

CBSE Class 10 Physics Revision Assignment Set B

(ELECTRICITY) Types of electricity i. Static electricity ii. Current electricity Static Electricity: Static electricity is a type of electricity when electric charges develop but do not flow. For example charges developed by glass rod are rubbed with silk. Current…

CBSE Class 10 Physics Revision Assignment Set A

TOPIC- NON- CONVENTIONAL SOURCE OF ENERGY Solar Energy Solar energy • Light energy and heat energy from the sun are known as solar energy. • Sun has been radiating energy from the past 5 billion years and will continue to do so at the same rate for another 5 billion years or…

CBSE Class 10 Physics Question Bank

Short Answer Type Questions    Q.1. Will current flow more easily through a thick wire or a thin wire of the same material when connected to the same source? Why?   Q.2. A wire of uniform area of cross-section is stretched to four times its original length.…

CBSE Class 10 Science Light Reflection and Refraction Assignment Set C

Objective Questions Question : Match the following with the correct response:  (1) Refraction                  (A) Bending of light (2) Reflection                  (B) Velocity of…

CBSE Class 10 Science Light Reflection and Refraction Assignment Set E

Question. A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens (a) away from the screen (b) towards the screen (c) to a position very far away from the screen. (d) either towards…

CBSE Class 10 Physics Human Eye Colorful World Worksheet A

Question :  Match the following with correct response.  a. 1-A, 2-C, 3-B, 4-D b. 1-D, 2-A, 3-C, 4-B c. 1-B, 2-D, 3-A, 4-C d. 1-C, 2-B, 3-D, 4-A Answer : C Explanation: Power of accommodation: The ability of the eye to focus both near and distant objects, by…

CBSE Class 10 Physics Light Reflection And Refraction Worksheet

Objective Type Questions Question : Name the type of image that can be obtained on a screen.  a. Real b. Virtual c. Blur d. Undefined Answer : A  Explanation: A real image is an image which is located in the plane of convergence for the light rays that…

CBSE Class 10 Science Sources Of Energy Worksheet

SOURCE OF ENERGY Thermal power plants • Thermal power plants use steam produced by burning fossil fuels (mainly coal) to move the turbines to generate electricity. • The burning of coal heats up the water and forms steam that is used to run the turbine. • Usually, Thermal…

CBSE Class 10 Physics Magnetic Effects Of Electric Current Worksheet Set A

MAGNETIC EFFECTS OF ELECTRIC CURRENT INTRODUCTION: We use many appliances at home, like the mixers, grinders, fans etc which draw electricity and convert them to motor movement i.e., mechanical energy. Also, we know of turbines, windmills, generators etc which move…