Search Colleges, Courses, Exams, Questions and Articles

Ask a query on 8879100846 Ask Login | Sign Up

 

 
› Tags › Class 12th

Class 12th

Get insights from 12k questions on Class 12th, answered by students, alumni, and experts. You may also ask and answer any question you like about Class 12th

Follow Ask Question
12k

Questions

0

Discussions

28

Active Users

0

Followers

New answer posted

a year ago

Class 12th Physics

In half deflection method, the resistance of resistance box in series with the galvanometer is 10,000 Ω . When the galvanometer is shunted with 10 Ω  resistance, its reading drops to half the initial value. The resistance of galvanometer is:-
0 Follower 61 Views

V
Vishal Baghel

Contributor-Level 10

i = v R + G

i 2 = v S G S + G + R * S S + G

⇒ 2 S S G + R G + R S = 1 R + G

S R R − S = G

R > > S

⇒ G ≈ S

New answer posted

a year ago

Class 12th Physics Wave Optics

A car is moving towards a stationary observer at a speed of 108 km/hr. The speed of sound is 330 m/s. If the observer hears the frequency of horn as 550 Hz, what frequency will he hear after the car has passed?
0 Follower 29 Views

V
Vishal Baghel

Contributor-Level 10

v = 1 0 8 * 5 1 8 = 3 0 m / s

f 1 = C C − v f 0

f = 3 3 0 3 3 0 + 3 0 * 5 0 0 = 3 3 3 6 * 5 0 0 = 5 5 0 0 1 2

New answer posted

a year ago

Class 12th Chemistry Electrochemistry

The purpose of salt bridge is to:
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

ion flow only   

New answer posted

a year ago

Class 12th Chemistry

The principle involved in paper chromatography is:
0 Follower 2 Views

V
Vishal Baghel

Contributor-Level 10

Partition   

New answer posted

a year ago

Class 12th Coordination Compounds

For which of the following complexes is the order of values of Δ0 correct?
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

3d => 4d => 5d CFSE increases for the same ligands.

New answer posted

a year ago

Class 12th Chemistry

Which of the following curves is in accordance with Freundlich adsorption isotherm?
0 Follower 3 Views

V
Vishal Baghel

Contributor-Level 10

Kindly consider the following figure

New answer posted

a year ago

Class 12th Chemistry

Which of the following is an example of Stephen reaction?
0 Follower 77 Views

V
Vishal Baghel

Contributor-Level 10

Reduction of alkyl cyanide using SnCl2 and HCl is called as Stephen reduction reaction.

New answer posted

a year ago

Class 12th Solutions

Consider a solution consisting of the following two buffer systems.
0 Follower 8 Views

V
Vishal Baghel

Contributor-Level 10

At pH = 6.4

As in case of H2CO3,

pH = pKa it will be only when

[weak acid] = [conjugate base].

In case of 2

H2PO-4 |HPO2-4

New answer posted

a year ago

Class 12th Solutions

Which of the following statement is true for an ideal solution?
0 Follower 5 Views

V
Vishal Baghel

Contributor-Level 10

Solute and solvent both should obey Raoult's law

New answer posted

a year ago

Class 12th Chemistry

What would be the major products of the following reaction?
0 Follower 15 Views

V
Vishal Baghel

Contributor-Level 10

Kindly consider the following figure

Get authentic answers from experts, students and alumni that you won't find anywhere else

Sign Up on Shiksha

On Shiksha, get access to

  • 67k Colleges
  • 1.2k Exams
  • 716k Reviews
  • 1850k Answers

Share Your College Life Experience

Write a Review
Community GuidelinesUser Points System
QuestionsDiscussionsTags

×

This website uses Cookies and related technologies for the site to function correctly and securely, improve & personalise your browsing experience, analyse traffic, and support our marketing efforts and serve the Core Purpose. By continuing to browse the site, you agree to Privacy Policy and Cookie Policy.