Physics (Physical Science)X class (Telangana-SSC)and Lesson wise important (expected) questions, Diagram based questions
1. Write any two uses of
spherical mirrors.
2. Write any two uses of
convex mirror in day today life.
3. What happens if concave
mirror is used as a rear view mirror?
4. Why are convex mirror is used as a rear view mirror?
5. Which property of concave
mirror is used in making the solar cooker?
6. Your friend noted the measurement of object distance and
image distance in an experiment with a concave mirror and made a conclusion. What
would be his conclusion?
7. Which property of concave
mirror helps the dentists to check the dental problems?
8. What are the characteristics of image formed when an object is placed
between F and C ?
9. When do you get image at infinity with the concave mirror?
10. State the difference between virtual image and real image.
11. Does focal length of spherical mirror changes when it is completely
immersed in water ? Predict and write the reason.
12. Draw the ray diagram to show the formation of image for the object of
height 1 cm placed at 5 cm distance, in front of the convex mirror having the
radius of curvature R= 5 cm
13. Predict and write the reason why the value of the distance of object (U) is always negative in the mirror equation.
Lesson 4.Refraction of light at curved surfaces
1. Write the characteristics
of images formed by a convex lens having focal length of 25 cm, when an object
is kept on the principle axis at a distance of 50 cm and 75 cm.
2. An
object is placed 25 cm distance from a concave lens of 20 cm focal length.Draw
the ray diagram and mention the characteristics of the image formed.
3. Draw ray diagrams for the following positions and
explain the nature and position of image
i) Object is placed C2
ii) Object is placed between
F2 and optic centre P.
4. The focal length of convex
lens is 2 cm. Draw the ray diagram of an object placed on a principal axis at
the ‘C’ of lens and at a distance of 3 cm from its optic centre.
5. Draw ray diagrams for a
double concave lens of focal length 4 cm, when objects are placed at 3 cm and 5
cm on principle axis.write characteristics of images.
6. How do you verify experimentally
that the focal length of convex lens is increased when it is kept in water?
7. A double convex lens with
the refractive index n=1.5 is kept in air.it’s two spherical surfaces have radii R1=20 cm and R2 =60 cm.find the focal length of the lens, write the
characteristics of the lens.
8. Draw the ray diagrams to
find the images when an object is placed in front of the lens
i) At a distance of 8 cm and
ii) Ata distance of 10 cm on
the principal axis of a convex lens whose focal length is 4 cm. write the
characteristics of images in both the cases.
9. Explain the behavior of light rays in any four situations of their
incidence on a convex lens.
10. An electric lamp and screen are placed on the table in a line at a
distance of 1 m in what positions of convex lens of focal length of f =21 cm will the image of lamp be sharp?
11. Write any four daily life uses of convex and concave lens
11. Incomplete ray diagrams
Lesson 5 .Human eye and colourful world
1. A doctor suggested to use the + 50 cm focal length lens to correct a person’s eye defect, mention which type of defect he is suffering and mention type of lens Doctor suggested.
2. + 50 cm focal length bi- convex lens is recommended to correct the defect of vision of a man. Find the power of the lens.
3. What happens if the eye lens of a person cannot accommodate it’s focal length more than 2.4 cm?
4. Why does we can’t read a book if it is placed below 25 cm in front of our eyes?
5. Write the reason for Sun appearing red during the sunrise and sunset.
6. What happens if the eye lens is not able to adjust its focal length?
7. Why street lights are design to give yellow colour light?
8. Why does the sky appears dark instead of blue to an astronaut?
9. A person is unable to see distance objects .show the defect of vision of the person with the help of diagram.
10. How does eye lens changes its focal length?
11. A Doctor suggested to use +2 D power lens to correct a person’s eye defect. Then find the focal length of the lens.
12. What are the maximum and minimum focal lengths of the eye lens?How can we find them?
13. Define the term least distance of distinct division.
Lesson 9. Electric current
1. Explain overloading of household circuit explain with example
2. Did you say expression for equivalent resistance of three resistor connected in parallel
3. List out the material required for the experiment "the effects of increasing of cross section of a conductor upon its resistance " and write the experimental procedure.
4. List of the materials required in the experiment to show that the electric resistance depends upon the nature of the material and write experimental procedure.
5. A 12 volt battery is connected in circuit and this 4 ohm 12 ohm registers are connected in parallel and 3 ohm register is connected in series to this arrangement draw the electric circuit from this information and find the current in the circuit
6. Deduce the expression for the equivalent resistance of resistance connected in series
7. Electric motor takes 5 amperes from a 220 volt line. determine the power of the motor and the energy consumed in two hours
8. 10 volt battery is connected in a electric circuit between a and b point 21 and 30 ohms registers are connected to get least resistance in the circuit find the resultant resistance between a and b and find the current in the circuit.
9. How do you verify that resistance of a conductor of uniform cross sectional area proportional to the length of the conductor at a constant temperature
Lesson 10. Electromagnetism
1. What happens when a current carrying wire is placed in a magnetic field?
2. What happens when a current carrying coil is placed in a uniform magnetic field?
3. Draw the diagram showing the magnetic field lines of a bar magnet.
4. What is the use of slippings in AC motor?
5. How can you verify with experiment the magnetic field lines are closed loops
6. Name the device that converts electrical energy to mechanical energy try its diagram and label the parts.
7. List out the materials required for the Oersted experiment of electromagnetism write the procedure of the experiment .what do you understand by the experiment
8. Write the experimental procedure and observations of experiment that is to be performed to observe the magnetic field form due to solenoid
9. Why the current carrying straight wire which is kept in a uniform magnetic field, perpendicularly to the direction of the field bends a side? explain this process with a diagram showing the direction of forces acting on the wire.
10. List list out the apparatus and experimental procedure for the experiment to observe a current carrying wire experience a magnetic force when it is kept in uniform magnetic field
11. Explain the working process of induction stove
12. Write the applications of Faraday's "electromagnetic induction" and explain any two of them.
13. Which device is used to convert mechanical energy into electrical energy draw a neat diagram and a label the parts of this device
14. What are the similarities between a current carrying solenoid and a bar magnet.
15. Explain lenz law with an activity.
Diagram based questions
1. Draw a neat labelled diagram of i) AC Generator
ii) DC generator
iii) Electric motor
iv) Solenoid
2. Draw a neat diagram of myopic eye when i) Object at infinity
ii) Object at far point(M)
iii) Correction of myopia when object placed at infinity
3. Draw a neat diagram of Hypermetropic eye when i) Object at least distance (L)
ii) Object at near point(H)
iii) Correction of Hypermetropia when object placed at L
4. Draw a neat diagram and mention the characteristics of image formed by concave mirror when object placed i) At C
ii)Between C and F
iii) Between Pole and Focus
5. Draw a neat diagram and mention the characteristics of image formed by convex mirror
6. Draw a neat diagram and mention the characteristics of image formed by convex lens when object placed i) At infinity
ii) At Focus
iii) Beyond C
iv) Between optic centre and Focus
6. Draw a neat diagram and mention the characteristics of image formed by concave lens
Telangana-state syllabus ABYASA DEEPIKA
