Search Colleges, Courses, Exams, Questions and Articles

Ask a query on 8879100846 Ask Login | Sign Up

 

 

› Ask & Answer › Question

Hydrogen ion and singly ionized helium atom are accelerated, from rest, through the same potential difference. The ratio of final speeds of hydrogen and helium ions is close to:

Option 1 -

1 : 2

Option 2 -

10 : 7

Option 3 -

5 : 7

Option 4 -

2 : 1

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 4


    Detailed Solution:

    q V = 1 2 m v 2

    ⇒ v = 2 q V m ⇒ v ∝ q m

    v H v H e = 1 1 × 4 1 = 2 1

Similar Questions for you

A potentiometer wire of length 100 cm has resistance of 20 ohm. It is connected in series with an external resistance and a cell of emf 2 volt and of negligible internal resistance. A source of emf 20 mV is balance against a length of 40 cm of the potentiometer wire. What is the value of external resistance?
A
alok kumar singh

Kindly go through the solution

 

A battery of emf, 20 V is connected to resistances as shown in figure. The potential at the point C will be

 
A
alok kumar singh

Kindly go through the solution

 

Ohm’s law is valid if
A
alok kumar singh

Ohm's law is valid if I depends on V' linearly.

An object 1 cm tall is placed at 4 cm infront of a mirror, In order to produce an upright image of 3 cm height one needs a :-
A
alok kumar singh

Kindly go through the solution

 

In a step up transformer, if ratio of turns of primary to secondary is 1 : 10 and primary voltage is 230 V. If the load current is 2A, then the current in primary is :-
A
alok kumar singh

Kindly go through the solution

 

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

Sign Up on Shiksha

On Shiksha, get access to

  • 65k Colleges
  • 1.2k Exams
  • 679k Reviews
  • 1800k Answers

Learn more about...

Share Your College Life Experience

Write a Review

Didn't find the answer you were looking for?

Search from Shiksha's 1 lakh+ Topics

or

Ask Current Students, Alumni & our Experts

Ask Now
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.

Need guidance on career and education? Ask our experts

Characters 0/140

The Answer must contain atleast 20 characters.

Add more details

Characters 0/300

The Answer must contain atleast 20 characters.

Keep it short & simple. Type complete word. Avoid abusive language. Next

Your Question

Edit

Add relevant tags to get quick responses. Cancel Post