The relationship between object distance, image distance, and focal length of a spherical mirror is given by 1/f=1/v+1/u Where f= focal... View Article
Magnification equals -(v/u). The negative sign indicates the type of image formed. The image is inverted when there is a negative sign present in... View Article
Linear magnification produced by a spherical mirror is the ratio of the size of the image formed by the mirror so that of the size of the object.... View Article
Given Focal length of concave mirror (f) = -10 cm Height of the object (ho) = 2 cm Height of the image (hi) = 6 cm We need to find the object... View Article
When the carbon dioxide is increasing it increases the earth temperature. The increase in carbon dioxide causes global warming. Global warming is... View Article
Answer: Convex Mirror is a curved mirror where the reflective surface bulges out towards the light source. This bulging out surface reflects... View Article
Ice is more effective than water at the same temperature. The reason behind this is cooling takes place at the time when heat is removed from the... View Article
The electric motor, generator, and transformers all work on the principle of electromagnetic induction. The electric motor converts electrical... View Article
In gases the arrangement of atoms are irregular and the movement is continuous in a random motion. So a gas completely fills the vessel in which... View Article
A sol is a heterogeneous mixture in which the suspension can be seen easily. A sol will not scatter a beam of light. They do not settle down when... View Article
Why does Mercury have a convex meniscus? Solution Mercury has a convex meniscus because the cohesive forces in liquid mercury tend to draw it... View Article
The lead carbonate is does not react with dil. HCl because the initial reaction causes the formation of a layer of lead (II) chloride or lead... View Article
A person with with defective eye cannot see closer objects clearly because the image is formed beyond retina. This phenomenon is called... View Article
Answer: Starting from (-1) × 5 write various products showing some pattern to show (-1) × (-1) = 1 According to the pattern, (−1) × (5) = −5... View Article
Answer: We know that a two-digit number has two places. The ten’s position can be occupied in three different ways and for every way, the... View Article
Answer: In the Indian system, lakhs are written after thousands, whereas in the International system, millions are written after thousands. The... View Article
Autotrophic nutrition takes place through the process of photosynthesis. Carbon dioxide, water, chlorophyll pigment, and sunlight are the... View Article
