13. Motion and Time Class 7 Science [LATEST] Solutions Additional Questions With solutions in English - CBSE Study
NCERT Solutions for Class 7 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 13. Motion and Time with detailed explanations and step-by-step answers for better exam preparation. Each Additional Questions With solutions is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 7 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 7 English Medium Science All Chapters:
13. Motion and Time
3. Additional Questions With solutions
Additional Questions With solution:
Ques: – Define speed.
Ans: – We call the distance covered by an object in a unit time as the speed of the object.
Ques: – What is non-uniform motion?
Ans: – If the speed of an object moving along a straight line keeps changing, its motion is said to be non-uniform.
Ques: – What is uniform motion?
Ans: – An object moving along a straight line with a constant speed is said to be in uniform motion.
Ques: – Define time period?
Ans: – The time taken by the pendulum to complete one oscillation is called its time period.
Ques: – What is the bob of the pendulum?
Ans: – The metallic ball is called the bob of the pendulum.
Ques: – What is periodic or an oscillatory motion?
Ans: – The to and fro motion of a simple pendulum is an example of a periodic or an oscillatory motion.
Ques: – Name the basic unit of time.
Ans: – The basic unit of time is a second.
Ques: – What tells the speedometer of a car?
Ans: – Speed.
Ques: – What tells the odometer of a car?
Ans:– Distance.
Ques: – What is odometer?
Ans: – Another meter that measures the distance moved by the vehicle. This meter is known as an odometer.
Ques: – A simple pendulum takes 32 s to complete 20 oscillations. What is the time period of the pendulum?
Ans: -
Ques :– The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
Ans :–
Distance = 240 km
Taken time = 4 hours
Ques :– Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.
Ans :-
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