Class 7 Science
Light
Question 1.
Light travels in a ____________.
(a) straight line
(b) circular track
(c) rectangular path
(d)parabolic path
Question 2.
The surface of water can act like a ___________.
(a) plate
(b) paper
(c) mirror
(d) cloth
Question 3.
An image formed by a plane mirror is of __________.
(a) bigger size than the object.
(b) same size as of the object.
(c) smaller size than the object.
(d) none of the above.
Question 4.
The curved shining surface of a spoon acts as __________.
(a) mirror
(b) lens
(c) spoon
(d) rubber
Question 5.
The most common example of a curved mirror is a ____________ mirror.
(a) conical
(b) circular
(c) spherical
(d) rectangular
Question 6.
Give definitions for convex and concave mirrors.
Question 7.
An image formed on a screen is called ___________.
(a) virtual image.
(b) real image.
(c) inverted image.
(d) erect image.
Question 8.
An image cannot be formed on a screen is called _____________.
(a) erect image.
(b) inverted image.
(c) real image.
(d) virtual image.
Question 9.
Give two uses of concave mirrors.
Question 10.
Give two uses of convex mirrors.
Question 11.
Define convex lens.
Question 12.
Give definition of concave lens.
Question 13.
It is _________ to look through a lens at the Sun or a bright light.
(a) safe
(b) beautiful
(c) dangerous
(d) good
Question 14.
__________ lens is also known as converging lens.
(a) concave
(b) convex
(c) plane
(d) normal
Question 15.
What is the other name of concave lens?
Question 16.
Give properties for the image formed by a plane mirror.
Question 17.
Which type of images can be formed by a concave mirror?
Question 18.
Name the colours present in a white light.
Question 19.
Give properties of image formed by a convex mirror.
Question 20.
Which type of images formed by convex and concave lenses?
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In summary, problem-solving after learning a theoretical concept on CBSE Light Class 7 Science is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.
You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.
Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.
All About Daily Practice Problems on Class 7 Science Light NCERT Chapter 15
Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 7 Science Light NCERT Chapter 15 useful.
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