No products in the cart.

A concave lens of focal length …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now

A concave lens of focal length 15cm forms an image 10cm from lens how far is the object placed from lens?

Posted by Lavi Awasthi 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

f = -15 cm v = -10 cm Lens formula: 1/v – 1/u =1/f 1/-10 – 1/u = 1/-15 1/u = - (1/10) + 1/15 1/u = -2/60 u = -30 cm

1Thank You

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

Given that, Focal length f=15cm Distance of the image v=−10cm We know that, f 1 = v 1 − u 1 −15 1 = −10 1 − u 1 − u 1 = −15 1 + 10 1 − u 1 = 30 1 u=−30cm Hence, the object is placed 30 cm away from the concave lens

1Thank You

ANSWER

Test

Related Questions

How does our body respond when adrenaline is Secreated into the blood

Posted by Aadarsh Tripathi 1 year, 5 months ago

CBSE > Class 10 > Science

2 answers

What is the function of petal and sepal.

Posted by Surya Kumar 1 year, 5 months ago

CBSE > Class 10 > Science

1 answers

Explain three stages of resource planning

Posted by Harshita Tondey 1 year, 5 months ago

CBSE > Class 10 > Science

3 answers

What effect does the concentration of H+(aq) ions have on the nature of the solution

Posted by Tushar Sharma 1 year, 5 months ago

CBSE > Class 10 > Science

2 answers

How do organisms obtain their nutrition?

Posted by Rani Alan 1 year, 5 months ago

CBSE > Class 10 > Science

1 answers

What is the importance of variation explain in 4 to 5 points

Posted by Harshal Patil 10 months, 2 weeks ago

CBSE > Class 10 > Science

0 answers

A current of 5 mili mpr is passing through a wire how many electrons are passing through per minute through the area of cross section of the wire

Posted by Sahana Laskar 10 months, 2 weeks ago

CBSE > Class 10 > Science

0 answers

Digestion is begin from in the presence in which enzymes or digestion occur

Posted by Ansh Preet 10 months, 2 weeks ago

CBSE > Class 10 > Science

1 answers

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Pandey Ji 6 months ago

CBSE > Class 10 > Science