Two trains of 40 m length are traveling in opposite directions with a velocity of 10 m/s and 15 m/s. What is the time of crossing?
Anonymous Quiz
12%
1s
44%
2.4s
33%
3.2s
11%
5.6s
👍3
When the distance travelled by a body is proportional to the time taken. What happens to its speed?
Anonymous Quiz
16%
Become zero
44%
Remain same
29%
Increase
11%
Decrease
👍3🥰1
Which among the following can be zero when a particle is in motion for some time.
Anonymous Quiz
17%
Speed
37%
Force
13%
Time
33%
Displacement
👍3
👍3
👍5
Forwarded from Shubham Jha - Class 9
👍4
What is the concentration of nitrate ions if equal volumes of 0.1 M AgNO3 and 0.1 M NaCl are mixed together
Anonymous Quiz
27%
0.1m
40%
0.2m
25%
0.4m
8%
0.5m
👍4
👍6👎1
👍4
The total number of ions present in 111 g of CaCl2 is
Anonymous Quiz
26%
1 mole
36%
2 mole
32%
3 mole
6%
4 mole
👍3
Forwarded from Shubham Jha - Class 9
YouTube
Live - Shubham Jha
Live - Shubham Jha
---------------------------------------------------------------
Let's Make Numerical Super Easy - https://www.unacademy.com/a/Thursday-thrill-physics-numericals-SSC-9.html
Code - SJSUPER10
--------------------------------------------…
---------------------------------------------------------------
Let's Make Numerical Super Easy - https://www.unacademy.com/a/Thursday-thrill-physics-numericals-SSC-9.html
Code - SJSUPER10
--------------------------------------------…
A gas has formula (N2)x has vapour density 70 the value of x is
Anonymous Quiz
20%
2
35%
3
26%
4
20%
5
👍4❤1
A gaseous hydrocarbon cnh2n+2 has vapour density 29 the value of n is
Anonymous Quiz
9%
1
30%
2
42%
3
19%
4
🔥4❤1