Archives

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 leads in... 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.... View Article

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 an exposition of a series of slides.... 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 length. p = p = p = 2 Where f is in metre.... 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

Gauss Law states that the total electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity. The electric... 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 question and... 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 A... 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.... View Article

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 be focused at a point 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 finds the image of her head... 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 = = Acceleration (a) = = = = -16 m/sec2 u2 = 100 = = s2 = = = 24 m Therefore, s2 =... 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) = = = 9I The minimum intensity (Imin) = = = I Therefore, the maximum... View Article

Transmission Delay Does Not Depend On (A) Packet Length (B) Transmission Rat (C) Distance Between The Routers (D) Both (A) And (B)

The answer is (C) Distance between the routers Explore more such questions and answers at BYJU’S.... View Article

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Archives

which of the following is a unique property of laser.(A) directional..(B) speed (C) coherence (D) wavelength

The Proper Use Of Lubricants Cannot Reduce _______ (A) Inertia (B) Static friction (C) Sliding friction (D) Rolling friction

What Is The Difference Between Slide And Slideshow?

The Focal Length Of A Convex Lens Is 50 Cm. What Is Its Power?

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

Find the Dimensional Formula for Frequency

An N-Type Semiconductor Is

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

What Is The Dimensional Formula Of Radius Of Gyration?

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

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

Define Fuse and Its Uses

What Is Point of Incidence?

Mention the Factor on Which the Scattering of Light depends.Why Does the Sky Appear Dark in Space.?

What Type of Forces Are You Familiar With

What Is Meant by Speed of an Object

Which of the Following Molecules Has the Maximum Dipole Moment

Define strain energy and derive the equation for the same.

Transmission Delay Does Not Depend On (A) Packet Length (B) Transmission Rat (C) Distance Between The Routers (D) Both (A) And (B)

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