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ANSWER

Find the nature position of the image object size 1cm and its distance is 15cm and focal length

Posted by Bakkar Ali 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Preeti Dabral 4 years, 3 months ago

The given mirror is a concave mirror thus sign convention it's focal length will be negative.

This here
f = -10 cm
u = -15cm
h(height of object) = 1cm

we have to find
size , nature , position of image formed .

Thus using mirror equation :-
1/f = 1/u+1/v
=>1/v = 1/f-1/u
=> 1/v = -1/10+1/15
=> 1/v = -1/30
=> v = -30 { thus image will be formed beyond center
Now magnification
m = -(v/u) = h'/h
m = -(-30/-15)
=> m = -2
HENCE the image formed will be real and inverted and magnified.

Now m = h'/h
2 = h'/1
=> h' = 2cm
hence the size of the image will be doubled

ANSWER

5+90

Posted by Rahul Negi 4 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Sia ? 4 years, 3 months ago

Anmol Preet 4 years, 3 months ago

ANSWER

मान लीजिए कि साल 1920 चल रहा है और आप सरकारी स्कूल के विद्यार्थी है । विद्यार्थी ओ को असहयोग आंदोलन के लिऐ आह्वान करते हुवे पोस्टर बनाए

Posted by Mayuri Katija 2 years, 2 months ago

CBSE > Class 10 > सामाजिक विज्ञान

0 answers

ANSWER

Others classifications on the basis of operating system

Posted by Aditya Raj 4 years, 3 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Leitanthem Denel [Youtube] 4 years, 3 months ago

Operating systems can be classified as follows: Multi-user: is the one that concede two or more users to use their programs at the same time. ... Multitasking: Allows multiple programs running at the same time. Single-tasking: Allows different parts of a single program running at any one time

ANSWER

Who is the first sciencetist who done toilet on moon

Posted by Aakash Giri 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Nishant Singh 4 years, 3 months ago

Question koi puchta hai to usko Gali Nahi dete

Nishant Singh 4 years, 3 months ago

Bhai Buzz Aldrin your question is very mind blowing

Priya Kumari 4 years, 3 months ago

Pgal hai kya bc

ANSWER

Why conservation of resources is important

Posted by Vanshika Isser 4 years, 3 months ago

CBSE > Class 10 > Social Science

1 answers

Sia ? 4 years, 3 months ago

conservation of resources is essential because as using them recklessly may exhaust them and future generation have to compromise. some resources take time in their formation such as fossil fuel and using them recklessly is going to be harmful for the environment. therefore sustainable development of resources is necessary.

ANSWER

ravi has taken bread in his breakfast explain the process of digestion in his ailementary canal after eating food

Posted by Akshat Kumar Mour 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Sumesh Sharma 4 years, 3 months ago

Bread contain starch, it will convert in maltose in mouth through saliva amylase

ANSWER

What happens when silver chloride is exposed to sunlight ?Give one practical application of this reaction .write the equation also.

Posted by Atiqur Rahman 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Atiqur Rahman 4 years, 3 months ago

Plz give full answers

Sumesh Sharma 4 years, 3 months ago

It will decompose in silver and chlorine

ANSWER

Identify the substance that are oxidized and the substance that are reduced to the following reaction. 1. Na(s)+o2(g)-->Na2o 1.Cuo(s)+H2(g)-->Cu(s)+H2o(l).

Posted by Atiqur Rahman 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Abhishek $Kr 4 years, 2 months ago

In this reaction, Na (sodium) is oxidised and CuO (Copper oxide) is reduced.

Sumesh Sharma 4 years, 3 months ago

Na _oxidation ,O2 reduced, ___cuo reduced and H2 oxidised

ANSWER

Transfer the following statement into chemical equation and then balance them. a)Hydrogen gas combines with nitrogen to form ammonia. b)potassium reacts with water to give potassium hydroxide and hydrogen gas.

Posted by Atiqur Rahman 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Sumesh Sharma 4 years, 3 months ago

2K+2h2o=2koh+2h2

Affin J 4 years, 3 months ago

1) hydrogen combines with nitrogen gas to form ammonia 3H2 (gas) + N2 (GAS) = 2NH3

ANSWER

if 3^a-2b = 27 and 9^a+b=3 then the value of -a/b will be..

Posted by Dilkhush Meena 4 years, 3 months ago

CBSE > Class 10 > NTSE Scholarship

1 answers

Aditi Sharma 4 years, 3 months ago

a-2b = 3 2(a+b) = 1 Solving these two, We get a = 4/3 b= -5/6 So -a/b = 8/5

4Thank You

ANSWER

Hello guys...today is my 1st exam of class 10.....please wish me all the best...?

Posted by Avneet Kaur 4 years, 3 months ago

CBSE > Class 10 > Information Technology (402)

4 answers

Harsh Gopal 4 years, 3 months ago

All the best

Avneet Kaur 4 years, 2 months ago

Periodic test

3Thank You

Ayan Fazal 4 years, 3 months ago

Please share the question paper

4Thank You

Sumesh Sharma 4 years, 3 months ago

Wish you the best , but cbse exam to cancel ho gaye the

3Thank You

ANSWER

Hello guys...today is my 1st exam of class 10.....please wish me all the best...?

Posted by Avneet Kaur 4 years, 3 months ago

CBSE > Class 10 > Social Science

2 answers

Avneet Kaur 4 years, 3 months ago

Sis ?

Affin J 4 years, 3 months ago

All the very best bro?

ANSWER

Hello guys...today is my 1st exam of class 10.....please wish me all the best...?

Posted by Avneet Kaur 4 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Avneet Kaur 4 years, 3 months ago

Thanks

Mann Goyal 4 years, 3 months ago

All the best ???

ANSWER

write a letter to your cousin on vacation a trip you took on vacation

Posted by Hjn Gub 4 years, 3 months ago

CBSE > Class 10 > French

3 answers

Ritika Yadav 3 years, 10 months ago

???

Venkat Chaitanya 4 years, 2 months ago

??????????

Om Shukla 4 years, 3 months ago

O ma gu turu la

ANSWER

The_________ feature of window 10 allow you to easily recover deleted files and folder.

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > Information Technology (402)

2 answers

Atharva Singh 4 years, 3 months ago

Recycle bin should also be used for restoring our deleted files and folder.

Leitanthem Denel [Youtube] 4 years, 3 months ago

Restore previous

ANSWER

The initial window screen that the user can see once window 10 is loaded is called the_________

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Leitanthem Denel [Youtube] 4 years, 3 months ago

Desktop Explanation: The first screen which appears when windows is loaded is called Desktop. As soon as we open the computer we come across the Windows welcome screen which display many small pictures on the screen of the monitor. These screen is known asdesktop.

ANSWER

What is combination reaction? Give an example with chemical equation.

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Sia ? 4 years, 3 months ago

In combination reactions, two or more substances combine to form a new compound. Only one product is obtained in such reactions. The reactants in such reactions can be elements as well as compounds.
For Example, Calcium oxide reacts with water to produce calcium hydroxide.

Abhishek $Kr 4 years, 2 months ago

Combination reaction :-A chemical reaction in which one or more substances combines and formed a single substance is called combination reaction. In this reaction, two elements react with each other and form a single compound. Examples:- CaO +H2O - Ca(OH)2+heat Mg +O2 - 2 MgO

Anmol Preet 4 years, 3 months ago

A chemical reaction in which two or more substances (elements or compounds) combine to form s single new compound is called combination reaction. ??? ??????? :- 2K + Cl2 ----> 2KCl

Rishi Raj 4 years, 3 months ago

The reaction in which two or more substances combine to form a new substance are called combination reaction. for example: 2Mg + O2 --> 2MgO

Sumesh Sharma 4 years, 3 months ago

When two or more compound react to form a single products, ex__ magnisium reacts with oxygen to give magnisium oxide

ANSWER

Roor p - Root q= 20 find the maximum value of (p=5q)/20

Posted by Deepak Bhale 4 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Root 3 minus root cube is equals to hundred find the maximum value of P - 5q/.20

Posted by Deepak Bhale 4 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

श्रीलंका में बहुसंख्यकवाद और प्रभाव का वर्णन उदाहरण के साथ लिखिए।

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > सामाजिक विज्ञान

0 answers

ANSWER

संसाधन से क्या अभिप्राय है। मनुष्य को संसाधनों का सबसे महत्वपूर्ण हिस्सा क्यों कहा जाता है?

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > सामाजिक विज्ञान

0 answers

ANSWER

"lencho has complete faith in God"describe with example.

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > English Language and Literature

2 answers

Jahnavi Sinha 4 years, 3 months ago

When Lencho's field was totally destroyed , then everyone in his family was hopeless but then too Lencho had faith in God. He even wrote a letter to God , asking for hundred pesos and then he posted that leter too, in the post office. This shows that how much of faith Lencho had in God.

Gurudev Sahoo 4 years, 3 months ago

Aj lencho wrote the letter to god after the arrival of the money he doesn't get surprised and when he counted the money 30 pesos were missing he thought that the 30 pesos were kept by the postmaster himself

ANSWER

Find the zero of the polynomial of 7/3x + 4

Posted by Ananya M 4 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Why is Mr. Herriot tempted to keep tricki on as a permanent guest?

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Sia ? 4 years, 3 months ago

Herriot tempted to keep Tricki as a permanent guest because: When Tricki was convalescing Mrs. Pumphrey began sending dozens of eggs and bottles of brandy and wine to build up his strength. All these were not necessary for Tricki, so the doctor and his staff enjoyed them.

ANSWER

What are the principal of effective communication?

Posted by Vivek Kumar Singh 4 years, 3 months ago

CBSE > Class 10 > Information Technology (402)

2 answers

Sia ? 4 years, 3 months ago

Have A Goal.
Listen.
Adjust To Your Medium.
Stay Organized.
Be Persuasive.
Be Clear.
Visuals Are Important.
Use Stories.

A B 4 years, 2 months ago

Principles of effective communication are as :--------- • Principle of Clarity • Principle of Understanding • Principle of Objective • Principle of Time • Principle of Consistency • Principle of Feedback • Principle of Completeness.