SSC (English Medium) 10th Standard - Maharashtra State Board Important Questions

Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':

Observe the following diagram and answer the questions.

1. Construction of which equipment does the above diagram show?
2. On which principle does this equipment work?
3. According to which law the coil ABCD rotates?
4. Write the law in your own words.
5. Where is this equipment used?

Observe the following diagram and answer the questions.

1. Explain the construction of the equipment shown in the figure.
2. How is AC generated?

Observe the given figure of a current-carrying solenoid and write the labels of A and B correctly.

Draw a neat diagram of a solenoid and name its various components.

An object of 10 cm is placed in front of a plane mirror. The height of image will be …………….
(a) 5 cm
(b) 15 cm
(c) 20 cm
(d) 10 cm

Calculate the focal length of a corrective lens having power +2D.

A simple microscope is used by watch repairers. Give reason.

The distance between principal focus and optical centre of the lens is _________.

1. diameter
2. focal length
3. principal axis
4. optical centre

Draw a ray diagram for concave mirror when the object is between centre of curvature and focus.

In a Std. X class out of 40 students 10 students use spectacles, 2 students have positive power and 8 students have negative power of lenses in their spectacles.

Answer the following questions:

(1) What does the negative power indicate?

(2) What does the positive power indicate?

(3) Generally which type of spectacles do most of the students use?

(4) What defect of eyesight do most of the students suffer from?

(5) Give two possible reasons for the above defect.

With the help of an appropriate ray diagram, state the sign conventions for reflection by a spherical mirror.

Calculate the focal length of a corrective lens having power +2.5 D.

What is myopia?

Explain two possible reasons of myopia. How can it be corrected? Explain with a suitable diagram.

Which type of mirror is used by a dentist?

Define Radius of curvature of the spherical mirror

Define the Focal length of a spherical mirror

Kavita from 10th is using spectacles. The power of the lenses in her spectacles is –2.5 dioptre. Answer the following questions:

1) Which lenses are used in her spectacles?

2) State the defect of vision Kavita is suffering from.

3) Find the focal length of the lenses used in her spectacles

The height of the image formed by an object of height 10 cm placed in front of a plane mirror is __________.

(a) 5 cm
(b) 10 cm
(c) 15 cm
(d) 20 cm