Jump to
- Nutrition in Plants
- Nutrition in Animals
- Fibre to Fabric
- Heat
- Acids, Bases and Salts
- Physical and Chemical Changes
- Weather, Climate and Adaptations of Animals of Climate
- Winds, Storms and Cyclones
- Soil
- Respiration in Organisms
- Transportation in Animals and Plants
- Reproduction in Plants
- Motion and Time
- Electric Current and its Effects
- Light
- Water: A Precious Resource
- Forests: Our Lifeline
- Wastewater Story
NCERT Exemplar Solutions Class 7 Science Solutions for Wastewater Story - Exercise in Chapter 18 - Wastewater Story
Prev
Which of the following is wastewater?
(a) Water trickling from a damaged tap.
(b) Water coming out of a shower.
(c) Water flowing in a river.
(d) Water coming out of laundry.
Answer:
The answer is (d) Water coming out of laundry.
Explanation:
Water discharged during after routine works like washing clothes, flushing toilet, cleaning utensils makes the water dirty. This water is called as waste water. Water coming out of a damaged tap, water coming out of shower and water flowing in a river are not dirty hence water coming out of a laundry is the right answer.
Video transcript
"hey guys welcome to lido q a video
i'm vinit your little tutor bringing you
this question on your screen
explain what is mean by g is equal to
z capital g into m by r square where
the symbols have their usual meanings
right now
this equation g equal to capital g
m by r square
gives the
what does it gives it gives the
acceleration
produced by the earth right
isn't that right guys and it is also
known as
what is it known as the gravitational
force
or the force of gravity also known
as force of
gravity
right sorry not force of gravity but
acceleration due to gravity
gravity
now what do the terms in this equation
means
capital g is the gravitational constant
right and m is the mass of the earth
and capital r is radius of the earth
isn't that easy guys so if you still
have a doubt please leave a comment
below
do like the video and subscribe to our
channel i'll see you in our next video
until then bye guys keep learning"
Related Questions
Facebook
Whatsapp
Copy Link
Exercises
Chapters
Lido
Courses
Quick Links
Terms & Policies
Terms & Policies
Connect with us on social media!
2022 © Quality Tutorials Pvt Ltd All rights reserved