Category: Physics

What is the highest resolution of a light microscope? 200 nm What is the formula of resolution? In order to increase the resolution (d=λ/2 NA), the specimen must be viewed using either shorter wavelength (λ) light or through an imaging medium with a relatively high refractive index or with optical components which have a high […]

How do you know if you found your soulmate? There is no test that will help you determine if you’ve found your soulmate or not. To figure it out, you just have to know it. You have to feel it in your gut, that this person is the right one for you. You should feel […]

What is the 7 step method? > The Joiner 7 step method is a technique that can prove very useful in tackling large, complex issues, including in cases where the fundamental problem is not fully understood, and the lack of information can prevent an analytical approach to finding a solution. What are 3 key attributes […]

Why does the solubility of na2so4 decreases with temperature? In this case, the solubility decreases with increasing temperature because by increasing the temperature you are adding heat to the product side. Inversely, if you pull heat from this system, e.g. cool it, you drive the equilibrium toward the products side and solubility is increased. What […]

What is the disadvantage of solar cooker? The solar cooker cannot be used at night and during cloudy weather. It takes more time to cook food. Solar energy is not available uniformly all the time and at all places. It cannot be used for making chapatis and for frying purposes. What are the disadvantages of […]

Why is convection not possible in solids? Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place. Why is convection not possible in solids for Class 7? In the process of convection, molecules move from a hotter place to a colder region. Therefore, convection is […]

What are the five parts of the Mass Ordinary? These are the words of the service which are the same every day. The Ordinary consists of five parts: Kyrie (Lord have mercy upon us….), Gloria (Glory be to thee….), Credo (I believe in God the Father….), Sanctus (Holy, Holy, Holy….) and Agnus Dei (O Lamb […]

What are the 2 types of ossification? There are two types of bone ossification, intramembranous and endochondral. What are bone cells called? Bone is a mineralized connective tissue that exhibits four types of cells: osteoblasts, bone lining cells, osteocytes, and osteoclasts [1, 2]. Where are osteoblast found? They are found on the surface of the […]

Why do astronomers seek to design telescopes with larger and larger mirrors? why do astronomers seek to design telescopes with larger and larger mirrors? The larger the object the greater the light gathering power, and the finer the detail that can be resolved. Comparatively, mirrors are easier to make, lighter, and better optically. Why do […]

Which of the following quantities does not have both magnitude and direction? Scalar quantity is having only magnitude but no direction. Vector quantity is the physical quantity having both magnitude and direction. 2. What does the length of a vector arrow represent? In the geometric interpretation of a vector the vector is represented by an […]