Questions
Write Pascal's law.
Write the full form of DNA.
Mass of the objects A and B as shown in the diagram are 2,500 kg and 4,000 kg respectively.
- Calculate the gravitational force between the objects A and B.
- If acceleration due to gravity on body 'A' is 9.8 m/s$^2$ when it is on the surface of the earth? At which height from the surface of earth the body 'A' should be taken so that the acceleration due to gravity is 4 m/s$^2$?
The given passage was published digitally by Nepal fertility centre on 11 August 2023:
The process begins with ovarian stimulation, where fertility medications are administered to stimulate the ovaries to produce multiple eggs....... Next, the retrieved eggs are fertilized with sperm in a controlled laboratory environment. ........ the most viable ones are selected for transfer into the woman's uterus.
- What type of couples the technology mentioned in the article advantageous for?
- Show the steps of the above process in a flow chart in sequential order.
- Is the technology in access of most of the Nepalese? Explain.
When 220 V is passed in the primary coil of a transformer, 440 V is induced in secondary coil. If the number of turns in secondary coil is 350:
- What will be the number of turns in primary coil?
- What will happen if core of a transformer is not laminated?
- Can it be used by connecting with battery?
A person has severe pain in his chest, which is transmitting towards the neck and arms.
- Which artery is involved in this disorder?
- How can it be tested without using x-ray, describe in short?
- Which treatment method is done to place stent in the artery?
Some properties of light are shown in the diagram of semicircular glass slab given alongside. Complete the following table on the basis of it. What is the difference between the refraction of light in a rectangular and semicircular glass slabs?
| Angle of incidence | Angle of reflection | Critical angle |
Differentiate between dependent variable and independent variable. Identify the dependent and independent variables in following conditions.
- The force applied to stretch a rubber band.
- Distance travelled by a stone thrown.
Write any two characteristics of each of p-block and d-block elements of modern periodic table.
Which compound is formed by removing two hydrogen atoms from a saturated hydrocarbon with two carbons? Mention one application of the compound formed by adding one hydrogen atom in one carbon and one hydroxyl group in another carbon.