Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

why are the chimneys provided with small holes at tha bottom?
Asked by | 04 Apr, 2008, 05:11: PM
Expert Answer

Although the masonry inside the chimney can absorb a large amount of moisture which later evaporates, rain water can collect at the base of the chimney. Sometimes weep holes are placed at the bottom of the chimney to drain out collected water.

Answered by | 17 Jun, 2008, 10:51: PM
Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment

Concept Videos

Application Videos

Answered Unanswered My Questions My Answers
CBSE 9 - Physics
A student starts with a velocity 40 km/hr for school at 4 km away from his house. Due to closing of school he returns soon to his house with a velocity of 60km/hr.His average velocity will be.
Asked by manognabandla2004 | 08 Sep, 2022, 07:55: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
what is the weight of an object at the centre of the earth 
Asked by advscjaglan | 09 Aug, 2022, 08:22: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
solve this problem
Asked by kunaljat51 | 24 Jul, 2022, 10:25: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Time- 0 10 20 30 40 50 Speed- 5 10 15 20 25 30 Find the distance travelled in 50 seconds
Asked by akshatdhamija1409 | 15 Jul, 2022, 11:16: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
what is Newton's contribution on gravitation?
Asked by munendramishra478 | 12 Jul, 2022, 08:42: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
a body goes from a to b with a velocity of 20ms and come back from b to a the average velocity of 30ms the average velocity of the body during the whole journey is
Asked by ayushyadav70303 | 12 Jul, 2022, 07:32: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
why is it necessary for acceleration to be based on velocity but not on speed? why we dont consider the increasing speed of rectilinear motion as acceleration? why is it so in the first place?
Asked by kempersi267k | 01 Jul, 2022, 06:36: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
A car is traveling with a speed of 54 km/hr the driver applies the break and retards the car uniformly.the car is stopped in 5 seconds 1) The redardation of the car 2)Distance travelled before it is stopped after apply the break
Asked by rsaranya658 | 30 Jun, 2022, 02:44: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
...
Asked by sanskargunjkar01 | 26 Jun, 2022, 09:13: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
how is equation if motion is formed in graphical method
Asked by poornimaram165 | 21 Jun, 2022, 09:16: PM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt

Start your hassle free Education Franchisee and grow your business!

Know more
×