What difference between incident ray and reflected ray
A light beam that impacts a surface is known as an incident ray. The ray that depicts the light reflected... View Article
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How do you measure instantaneous speed??
The instantaneous speed of an object is the speed of an item at a specific point (instant) in time while... View Article
Most liquids that conduct electricity are solutions of dash dash and dash
Any salt or ionizable molecule that, when dissolved in a solution, gives that solution the capacity to conduct electricity is... View Article
What is correct about recovery mode in blue prism?
Blue Prism is considered to be in Recovery Mode when it is halfway between a Recover and a Resume. Blue... View Article
explain the principle of potentiometer
When a constant current runs through a wire with uniform cross sectional area, the potential difference between its two points... View Article
which of the following is a unique property of laser.(A) directional..(B) speed (C) coherence (D) wavelength
Because wave trains of the same frequency are in phase with laser beams, coherence is an essential property. High coherence... View Article
The Proper Use Of Lubricants Cannot Reduce _______ (A) Inertia (B) Static friction (C) Sliding friction (D) Rolling friction
The answer is (A) Inertia. Explore more such questions and answers at BYJU’S.
What Is The Difference Between Slide And Slideshow?
Slide It is a single page or a slide of a presentation It is a presentation Presentation Slideshow It is... View Article
The Focal Length Of A Convex Lens Is 50 Cm. What Is Its Power?
The focal length of a lens is 50 cm. The power of a lens is always reciprocal to the focal... View Article
A hollow cylinder has a charge q coulomb within it. if phi is the electric flux in units of voltmeter associated with the curved surface b, the flux linked with the plane surface a in units of voltmeter will be
Gaussian’s law states that Gauss Law states that the total electric flux out of a closed surface is equal to... View Article
Find the Dimensional Formula for Frequency
The dimesional formula for frequency is [M0L0T-1]. We know that frequency = 1/Time Period = [T-1]. To learn more Physics-related... View Article
An N-Type Semiconductor Is
(A) Positively charged (B) Negatively charged (C) Neutral (D) Negatively or positively charged depending on the amount of impurity added... View Article
The Stress Induced In A Body, When Suddenly Loaded, Is __________ The Stress-induced When The Same Load Is Applied Gradually. (A) Twice (B) Equals To (C) One-half (D) Four Times
The answer is (A) Twice Explore more such questions and answers at BYJU’S.
What Is The Dimensional Formula Of Radius Of Gyration?
The radius of Gyration is the imaginary distance from the centroid at which the area of cross-section is imagined to... View Article
A child is standing in front of a magic mirror. she finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. what is the following is the order of combinations for the magic mirror from the top. (a) the plane, convex and concave (b) convex, concave and plane (c) concave, plane and convex (d) convex, plane and concave
The answer is (A) Concave, Plane And Convex Explanation: A Child Is Standing In Front Of A Magic Mirror: She... View Article
A Car Moving With A Speed Of 50 Km H−1 Can Be Stopped By Brakes After At Least 6 M. If The Same Car Is Moving At A Speed Of 100 Km H−1the Minimum Stopping Distance Is : (A) 12m (B) 24m (C) 6m (D) 18m
The answer is (B) 24m Explanation: u1 = 50\(\begin{array}{l}frac{km}{hour}\end{array} \) = \(\begin{array}{l}frac{50 * 1000}{60 * 60}\end{array} \) = \(\begin{array}{l}frac{125m}{9sec}\end{array} \)... View Article
Two Coherent Monochromatic Light Beams Of Intensities I And 4I. The maximum and minimum possible resulting intensities are : (A) 5I and 0 (B) 9I and 1 (C) 5I and 3I (D) 9I and 3I
The answer is (B) 9I and 1 Explanation: The maximum intensity (Imax) = \(\begin{array}{l} (sqrt{I_{1}}+sqrt{I_{2}})^{2} \end{array} \) = \(\begin{array}{l}(sqrt{I} +... View Article
Define Fuse and Its Uses
In electrical and electronics, a fuse is defined as an electrical safety device that provides over-current protection to the functional... View Article
What Is Point of Incidence?
The point of incidence is defined as a point where the incident ray strikes the mirror. To learn more Physics-related... View Article
Mention the Factor on Which the Scattering of Light depends.Why Does the Sky Appear Dark in Space.?
The scattering of light depends on the size of the particle. The sky appears dark in space because there is... View Article
