Please select a subject first
Advertisements
Advertisements
अमरकोषात् समानार्थकं शब्द योजयित्वा वाक्यं पुनर्लिखत ।
मृगमन्विष्यन् काक: तत्र उपस्थितः ।
Concept: undefined >> undefined
अमरकोषात् शब्दं प्रयुज्य वाक्यं पुनर्लिखत ।
नूनं स: सुगतः एव अधिकतम मूल्यं दद्यात् ।
Concept: undefined >> undefined
Advertisements
अमरकोषात् शब्दं प्रयुज्य वाक्यं पुनर्लिखत ।
तडागे शिशिर-ऋतौ एकं पद्यं व्यकसत् ।
Concept: undefined >> undefined
अमरकोषात् शब्दं प्रयुज्य वाक्यं पुनर्लिखत ।
विपुलं धनं प्राप्नुयाम् ।
Concept: undefined >> undefined
अमरकोषात् शब्दं प्रयुज्य वाक्यं पुनर्लिखत ।
धेनुः तु वास्तविकी एव ।
Concept: undefined >> undefined
अमरकोषात् शब्दं प्रयुज्य वाक्यं पुनर्लिखत ।
मम उत्तमाङ्गम् उपचारपट्टिकाभिः विभूषितम् ।
Concept: undefined >> undefined
What is refraction of light?
Concept: undefined >> undefined
| Column I | Column II | Column III | |
| 1 | Dispersion | Long-sightedness | Twinkling of stars |
| 2 | Refraction | Splitting of white light into component colours | Convex lens |
| 3 | Hypermetropia | Change in the direction of the ray of light due to change in medium | Spectrum of seven colours |
Concept: undefined >> undefined
Rearrange the columns 2 and 3 so as to match with the column 1.
| Column 1 | Column 2 | Column 3 |
| i. Triad ii. Octave iii. Atomic number iv. Period v. Nucleus vi. Electron |
a. Lightest and negatively charged particle in all the atoms b. Concentrated mass and positive charge c. Average of the first and the third atomic mass d. Properties of the eighth element similar to the first e. Positive charge on the nucleus f. Sequential change in molecular formulae |
1.Mendeleev
2. Thomson
3. Newlands
4. Rutherford
5. Dobereiner
. Moseley
|
Concept: undefined >> undefined
Choose the correct option and rewrite the statement.
The number of electrons in the outermost shell of alkali metals is _______.
Concept: undefined >> undefined
Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in ______.
Concept: undefined >> undefined
The molecular formula of the chloride of element X is XCl. This compound is a solid having a high melting point. Which of the following elements be present in the same group as X.
Concept: undefined >> undefined
In which block of the modern periodic table are the nonmetals found?
Concept: undefined >> undefined
Tell the odd one out. Give proper explanation.
Concept: undefined >> undefined
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric motor
Concept: undefined >> undefined
Fill in the blank and Explain the completed sentences.
The change in ______ of light rays while going from one medium to another is called refraction.
Concept: undefined >> undefined
How does the short circuit form? What is its effect?
Concept: undefined >> undefined
We can see the sun even when it is little below the horizon because of ______.
Concept: undefined >> undefined
Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?
Concept: undefined >> undefined
Find the odd one out and justify it.
Fuse wire, M.C.B., Rubber Gloves, Generator
Concept: undefined >> undefined
