Skip to main content

Motion and Time class 7 science extra questions

Motion and Time class 7 extra questions

Motion and Time class 7 extra questions
Download class 7 science extra questions


1. Answer the following

  • What is the S.I unit of measurement for speed.
  • What is a pendulum bob’s resting position called?
  • What is the posture of the body called when it does not alter in relation to its surroundings?
  • Name a device that measures the vehicle’s speed.
  • Name a device that measures a vehicle’s distance traveled.
  • What is the amount of time it takes a pendulum to complete one oscillation called?
  • What is a pendulum’s metallic ball called?
  • Name the material in which the crystals vibrate at an extremely rapid and accurate pace.
  • Name a timepiece that uses the shadow of a pointer cast by the sun on a graded plate to display the time.
 

2. State True/False:

  • A speedometer is an instrument to measure a vehicle’s speed at a particular speed.
  • The speed of a car is always uniform.
  • The kilometer is the SI unit of distance.
  • Speed is a vector quantity.
  • The speed of light is always faster than sound.

3. Match the following:

‘A’              ‘B’
One kilometer 100 years
Odometer 1000 m
One hour   Vehicle’s speed
A century 3600 s
Speedometer Total distance covered



Labels:

Comments

Post a Comment

Thank you we will contact ASAP.

Popular posts from this blog

Lessons-Worksheets-Question Papers-CBSE Class 2 English

Lessons-Worksheets-Question Papers-CBSE Class 2 English CBSE 2nd Class English – One and Many  In this blog, we share the spelling rules used in the concept of  One  and Many. When there is only one of a naming word (noun), it is said to be a  singular noun . When a noun shows more than one, it is said to be in the  plural . We can add  –S, -es, -ves or ies  to show that there is more than one noun.  For example,  we say many birds, four biscuits, six brushes. But for the students of  Class 2 , it’s very difficult and confusing to understand where to use  s , es, ves or ies  in the form of many. Don’t worry, it looks difficult, but it is very easy as in grammar each concept has a set of rules that need to practice. Noun ending with  –s, -x, -o, -sh, -ch, and –ss  form plurals by taking  –es. Look at these pairs of words: Bus – Buses Brush – Brushes Continue ..... Click here ...
Post a Comment
Read more

Class 3 English Practice Grammar Worksheet -The Adverb

 Class 3 English Practice Grammar Worksheet -The Adverb Class 3 English – The Adverb – Kinds of Adverb Fill in the blanks with suitable Adverbs of place. Choose from the box.  Up               outside                       everywhere                 back                down      away          here                           there                     ...
Post a Comment
Read more

PURCHASED GOODWILL METHOD UNDER IND AS 103

The acquisition of subsidiaries results in  Goodwill calculation  and also records net assets of the subsidiary at fair value on the date of acquisition. Let’s get answers to all the questions related to Goodwill, valuation of NCI, and impairment relating to them. Q1 – What are the ways in which an entity can make payment for purchase consideration? ANS: – Cash – Share exchange – Deferred payment – Contingent consideration Q2 – How is deferred payment dealt, when it forms part of purchase consideration? ANS:  The deferred payment is discounted to present value and included in the cost of consideration. At the end of each year, the liability is increased by unwinding the discount, until the payment is settled. For example, An amount of Rs. 108,000 was deferred to be paid after 2 years. The discount rate applicable is 8%. The net present value today of Rs. 108,000 is equal to (108,000 * 1) / (1.08) ^2)= Rs. 92,593 included in purchase consideration. A liability of Rs. 92,59...
Post a Comment
Read more