Daily Practice Problems
Class 7 Science
Light
daily practice problem

­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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Problem-solving on Class 7 Science Light NCERT Chapter 15 after learning a theoretical concept is crucial for several reasons:

  1. Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic Class 7 Science Light you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
  2. Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in Class 7 Science Light NCERT Chapter 15, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
  3. Critical Thinking: Problem-solving encourages critical thinking and analytical skills. It requires you to analyze the problem, identify relevant information, and devise a logical solution. This process sharpens your mind and improves your ability to approach complex challenges effectively.
  4. Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Light Class 7 Science in practical scenarios helps you remember them better than passive reading or memorization.
  5. Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Light Class 7 Science Notes on LearnoHub.com
  6. Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Light. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
  7. Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Light Class 7 Science Online Tests at LearnoHub.com.
  8. Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
  9. Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
  10. Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

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.

Last but not least, to get the best hold on Class 7 Science Light NCERT Chapter 15, do not forget to check out:

  • Light Class 7 Science Best videos
  • Light Class 7 Science NCERT Solutions
  • Class 7 Science Light Revision notes
  • Light Class 7 Science DPPs, Download PDF of solutions
  • Class 7 Science Light Online Tests
  • Class 7 Science Sample papers