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An object and object placed at 20 cm distance from concave mirror for obtaining four times of image of the object height. What will be focal length of mirror ? Please send the correct answer...🥺

Posted by Aadarsh Kumar 2 years, 5 months ago

CBSE > Class 10 > Science

2 answers

Dev Sharma 2 years, 5 months ago

Here u =-20 and let height of object be x and AtoQ ----"---- image 4x Now m=h'/h 4x/x=4 m is also equal to -V/U 4=-v/-20 -80=-v v=80

4Thank You

Yash Mann 2 years, 5 months ago

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ANSWER

Define human reproductive parts both male and female

Posted by Gø®Ãv D££P 2 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Yash Mann 2 years, 5 months ago

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2Thank You

ANSWER

She _____ Harry potter when I last met her. a. is reading b. reads c. has read d. was reading

Posted by Arpita Verma 2 years, 5 months ago

CBSE > Class 10 > English Language and Literature

4 answers

Ragani Singh 2 years, 4 months ago

Was reading

1Thank You

P. Joshna Sravya 2 years, 5 months ago

Was reading

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Aroob Khursheed 2 years, 5 months ago

was reading

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Naman Jha 2 years, 5 months ago

C.has read

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ANSWER

She _____ Harry potter when I last met her.

Posted by Arpita Verma 2 years, 5 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Vanshika Tangri 2 years, 5 months ago

Reads

2Thank You

ANSWER

In September 20, Summit ______ business in Indonesia for a company for 5 months.

Posted by Arpita Verma 2 years, 5 months ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

Bbc assignment 26

Posted by Riya Sharma 2 years, 5 months ago

CBSE > Class 10 > English Communicative (101)

1 answers

Riya Sharma 2 years, 5 months ago

Determiners

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ANSWER

Create a database table with the following schema : One field A with type integer. One field B with type varchar(40). One field C with type date.

Posted by Harsimran Kaur 2 years, 5 months ago

CBSE > Class 10 > Information Technology (402)

0 answers

ANSWER

Shopkeeper sold 3 sweets and 4 lollipops for Rs 6 to customer a little later another customer purchase 6 sweets and 8 lollipops for rupees 12 the situation algebraic and graphically

Posted by Advait Zinge 2 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

By the structure of graphite would you know me how it flows the electricity.If not then I will gove answer later.

Posted by Adarsh Dixit 2 years, 5 months ago

CBSE > Class 10 > Science

3 answers

Gaurav Kumar 2 years, 4 months ago

The material become a conductor by their arrangement of electrons not by structure of substance

0Thank You

Yash Mann 2 years, 5 months ago

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0Thank You

Naman Raj 2 years, 5 months ago

Structure do not require to flow the current the state matters in which state the graphite is ....

1Thank You

ANSWER

What is neprons

Posted by Ayush And Piyush Rewa 2 years, 5 months ago

CBSE > Class 10 > Science

5 answers

Aroob Khursheed 2 years, 5 months ago

nephron is the basic functional unit of kidney which helps in the formation of urine and excreation of waste products.

2Thank You

Apurv Roy 2 years, 5 months ago

Small unit of kidney which helps in formation of urine which help in excretion of metabolic waste like amonia and urea .

1Thank You

Naman Raj 2 years, 5 months ago

Nephron is the basic part of kidney ...

1Thank You

Vani Shree 2 years, 5 months ago

Smallest unit of kidney

1Thank You

Shraddha Gupta 2 years, 5 months ago

nephron is the basic functional unit of the kidney

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ANSWER

_______ is known as the master of master gland.

Posted by Mohit Gothwal 2 years, 5 months ago

CBSE > Class 10 > Science

5 answers

Shraddha Gupta 2 years, 5 months ago

Pituitary Gland

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Paher Goutam 2 years, 5 months ago

pituitary gland

2Thank You

Swarnika Suman 2 years, 5 months ago

Hypothalamus

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Vidhi Jain 2 years, 5 months ago

Hypothalamus

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Anushka Ranjan 2 years, 5 months ago

Pituitary

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ANSWER

The ratio of the sums of m and n terms of an A.P. is m²:n². Show that the ratio of the mth and nth terms is (2m-1),(2n-1)

Posted by Anshika Gupta 2 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Main points of A Question Of Trust

Posted by Dhyani Mistry 2 years, 5 months ago

CBSE > Class 10 > English Communicative (101)

1 answers

Anil Jaat 2 years, 5 months ago

The story is about a man named Horace Danby who is 50 years old and everyone around him thinks he is a good and an honest man. He used to build locks and used to earn enough profit so that he could hire two servants to help him. He was sent to jail once about 15 years ago because he used to commit robberies every year

0Thank You

ANSWER

Why there is no reflection when light ray falls perpendicular

Posted by Mohini Goswami 2 years, 5 months ago

CBSE > Class 10 > Science

5 answers

Vani Shree 2 years, 5 months ago

Because angle i=0°

0Thank You

Aryan Dogra 2 years, 5 months ago

Normal

0Thank You

Shraddha Gupta 2 years, 5 months ago

Because light falling at 0° that's why angle of incidence and angle of reflection is zero degree

0Thank You

Swarnika Suman 2 years, 5 months ago

Because the angle of incidence and reflection is of zero degree

0Thank You

Raghvendra Singh 2 years, 5 months ago

Because when light fall perpendicular to surface the light ray retrace back its path because angle of reflection is 0°

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ANSWER

You are Sonali Chandra, the Head Girl of Shyamala Memorial Public School, Bikaner, Rajasthan. You have noticed several posters around your school conveying the following message:

Posted by Akshara Annepally 2 years, 5 months ago

CBSE > Class 10 > English Language and Literature

2 answers

In Do 1 year, 7 months ago

answer

5Thank You

Sumit Jha 2 years, 5 months ago

Modals

12Thank You

ANSWER

Write any four evidences of evolution.

Posted by Sayali Patil 2 years, 5 months ago

CBSE > Class 10 > Science

2 answers

G Thanusri 2 years, 5 months ago

Actually we didn't have this topic

0Thank You

Sayali Patil 2 years, 5 months ago

1) morphological evidences 2) anatomical evidences 3)palaeontological evidences 4) embryological evidences.

1Thank You

ANSWER

The nth term of ap is given an =2n+3 find it's 6 th term and 20 th term

Posted by Sunku Ganag Bindu 2 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Shreyash Kshitij 2 years, 5 months ago

An=2n+3 Just put value of n as 6> A6=2×6+3 =12+3 =15 ✓ ¯\(◉‿◉)/¯

1Thank You

ANSWER

A refrigerator having a power rating of 3KW operates for 10 hour a day. Calculate the cost (in rupees) of electrical energy rupees 3.40 per KWh

Posted by G Pranesh 2 years, 5 months ago

CBSE > Class 10 > Science

1 answers

G Thanusri 2 years, 5 months ago

Energy consumed = power x time (i) Energy = 3 kW × 10 h = 30 kWh (ii) 1 kilowatt hour (kWh) = 3.6×106 J 30kWh=30×3.6×106J=1.08×108J

2Thank You

ANSWER

Tell the two legends about tea

Posted by Venom Silent Killer 2 years, 5 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Prisha Mehta 2 years, 5 months ago

(i) Chinese legend : A Chinese emperor always boiled water before drinking it. One day a few leaves of branches burning under the pot fell- into the water. It gave a delicious flavour. These were tea leaves. (ii) Indian legend : Bodhidharma, a Buddhist monk cut off his eyelids because he felt sleepy during meditations. Ten tea plants grew out of the eyelids. These leaves when put in hot water and drunk, banished sleep.Read more on Sarthaks.com - https://www.sarthaks.com/3225954/what-are-the-two-legends-about-tea

0Thank You

ANSWER

Light ray AB incidents on a polished surface XY at an angle of 40. The second polished surface is placed in such a way that the reflected ray BC from polished surface XY retraces its path. Find the angle of inclination of two polished surface.

Posted by Tejasv Sahu 2 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Ankit Kumar 2 years, 5 months ago

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ANSWER

If one zero of the quadratic polynomial f(x)=4x²-8kx+8x-9 is negative of the other then find the zeros of kx²+3kx+2

Posted by Anamta Ansari 2 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

In what respects in the criterion used by the undp for measuring development different from the one used by the World Bank

Posted by Amishi Agarwal 2 years, 5 months ago

CBSE > Class 10 > Social Science

1 answers

Ashutam Prajapati 2 years, 5 months ago

The criterion used by the undp for measuring development different from the one used by the world bank in the sense that it uses combinations of factors such as health, education and income as indicators of development. It does not rely solely on per capita income,as is the case with world bank.

1Thank You

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Write an anuched on shravan kaushal

Posted by Jaspreet Kaur 2 years, 5 months ago

CBSE > Class 10 > हिंदी ब

0 answers

ANSWER

How is pollination different from fertilization ?

Posted by Nakshatra Gupta 2 years, 5 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Analyse why pulses are good for our nutrition.

Posted by Ananya Kapoor 2 years, 5 months ago

CBSE > Class 10 > Social Science

1 answers

Pratyush Bidhar 2 years, 5 months ago

Pulses provide protein and fibre, as well as a significant source of vitamins and minerals, such as iron, zinc, folate, and magnesium, and consuming half a cup of beans or peas per day can enhance diet quality by increasing intakes of these nutrients.

4Thank You

ANSWER

Function of stomata?

Posted by Gunnu Nishad 2 years, 5 months ago

CBSE > Class 10 > Science

5 answers

Sahana Parashetti 2 years, 4 months ago

tomato it is a part of a plant which helps for the exchange of a gases and and also help for that transpirationprocess transpiration

0Thank You

Mohit Gothwal 2 years, 5 months ago

It helps in removing the water from leaves. Stomata facilitates gaseous exchange.

0Thank You

Mohini Goswami 2 years, 5 months ago

It helps in removing water from the leaves. - It takes carbon dioxide and gives out oxygen during the process of photosynthesis. - It helps in regulating water movement through transpiration. Stomata facilitates gaseous exchange.

0Thank You

Hanniel Reni 2 years, 5 months ago

Stores food

0Thank You

Pratyush Bidhar 2 years, 5 months ago

Stomata regulate gas exchange between the plant and environment and control of water loss by changing the size of the stomatal pore. This stomatal movement is affected by several environmental stimuli, such as relative humidity, CO2 concentration, and light intensity.

2Thank You

ANSWER

2y-x=8, 5y-x=14, y-2x=1 use a single graph and draw the graph of the following question

Posted by Y Kushal 2 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Saumya Gaur 2 years, 5 months ago

0Thank You

ANSWER

Show that sintheta/cosectheta-1 + costheta/1+sectheta =( sintheta)(costheta) /sintheta-costheta

Posted by Riddhi Patel 2 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

36000 j heat energy is to be produced in an electric heater of resistance 1000ohm through which electric current is passed for 5 minutes . Calculate the current passing through heater

Posted by Saksham Khatta 2 years, 5 months ago

CBSE > Class 10 > Science

2 answers

G Thanusri 2 years, 5 months ago

H=I²RT I=√H/Rt =√36000/1000×300 =√0.12=0.35

0Thank You

Raj Dhakad 2 years, 5 months ago

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.
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0Thank You

ANSWER

What happens when you are saving a shared document and there are changes made by Multiple users in separate non overlapping ranges ?

Posted by Sinhaldeep Kaur 2 years, 5 months ago

CBSE > Class 10 > Computer Applications (165)