Description : perpendicular parking spaces require turning at a ______-degree angle. -General Knowledge
Last Answer : Because perpendicular parking spaces require turning at a 90 degree angle, allow yourself plenty of room by delaying turning until you can see all the way down the stall line.
Description : If used, in which direction should pinholes be placed? a. parallel to the long axis of the tooth b.parallel to the nearest external surface c. at a 15 degree angle to the long axis of the tooth d. perpendicular to the gingival floor e. directly below and parallel to restored cusp tip
Last Answer : b.parallel to the nearest external surface
Description : If the resultant vector forms an angle of 45°, then the two components are A. parallel to each other B. perpendicular to each other C. anti parallel to each other D. anti perpendicular to each other
Last Answer : perpendicular to each other
Description : When a mass is rotating in a plane about a fixed point, its angular momentum is directed along: (1) the tangent to the orbit (2) a line perpendicular to the plane of rotation (3) the line making an angle of 45° to the plane of rotation (4) the radius
Last Answer : (2) a line perpendicular to the plane of rotation
Description : Who Invented the Reflector Telescope ?
Last Answer : Scientist Newton invented the reflecting telescope.
Last Answer : The medium through which the word is reflected back is called the reflector.
Description : A white and smooth surface is – (1) good absorber and good reflector of heat (2) bad absorber and good reflector of heat (3) good absorber and bad reflector of heat (4) bad absorber and bad reflector of heat
Last Answer : (2) bad absorber and good reflector of heat Explanation: Shiny surfaces are poor absorbers of heat radiation and the best reflectors of heat radiation. Black surfaces are the best emitters and best absorber of heat radiation.
Description : The earth is a – (1) good reflector of heat (2) non-absorber of heat (3) good absorber and good radiator of heat (4) bad absorber and bad radiator of heat
Last Answer : (3) good absorber and good radiator of heat Explanation: The earth's surface radiates as a black body, since it aborts and radiates with nearly 100 percent efficiency for its temperatures. Gases, on the contrary, are selective absorbers and radiators.
Description : Convex mirror is generally used in - (1) solar cookers (2) opthalmoscope (3) reflector for head light (4) rear view mirror
Last Answer : (4) rear view mirror Explanation: Rear view mirrors of carsare convex mirrors as they enable the driver to see a wide area of the road behind the car. The convex mirror makes the rays of ... if they were coming from its focus, thereby produdcing a diminished virtual image which the driver can see.
Description : In an ideal case, if a point source of light is placed at the focal point in front of a concave reflector, where will the image form?
Last Answer : ANSWER: WILL NOT FORM or FORMS AT INFINITY
Description : A white and smooth surface is (1) good absorber and good reflector of heat (2) bad absorber and good reflector of heat (3) good absorber and bad reflector of heat (4) bad absorber and bad reflector of heat
Last Answer : bad absorber and good reflector of heat
Description : The earth is a (1) good reflector of heat (2) non-absorber of heat (3) good absorber and good radiator of heat (4) bad absorber and bad radiator of heat
Last Answer : Bad absorber and bad radaitor because all bad absorber are bad emitter. As well
Description : Prove that angle bisector of any angle of a triangle and perpendicular bisector of the opposite side, if intersect they will intersect on the circumcircle of the triangle. -Maths 9th
Last Answer : According to question prove that angle bisector of any angle of a triangle and perpendicular bisector of the opposite side,
Description : The acute angle which the perpendicular from the origin on the line 7x –3y = 4 makes with the x-axis is: -Maths 9th
Last Answer : (c) negativeAs the line from the origin is perpendicular to the line 7x - 3y = 4, so its slope = \(rac{-1}{ ext{slope of }\,7x-3y=4}\)Slope of 7x - 3y - 4 = \(rac{7}{3}\)∴ Slope of line from origin = \(rac{-1} ... of x-axis⇒ θ = tan-1 \(\big(rac{-3}{7}\big)\) = - tan-1 \(\big(rac{3}{7}\big)\)
Description : A particle of charge -q and mass m enters a uniform magnetic field `vecB` (perpendicular to paper inward) at P with a velocity `v_0` at an angle `alph
Last Answer : A particle of charge -q and mass m enters a uniform magnetic field `vecB` (perpendicular to paper inward) at P ... for time `t = (2m(pi-alpha))/(Bq)`
Description : What type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular?
Last Answer : They use a right angle!
Description : How many perpendicular lines on a right angle triangle?
Last Answer : The 2 perpendicular sides of a right angle triangle intersect each other at right angles
Description : The screens are fixed A. Perpendicular to the direction of flow B. Parallel to the direction of flow C. At an angle 30° to 60° to the direction of flow D. None of these
Last Answer : ANS: C
Description : When the phase angle between the Ex and Ey component is 0 0 or 180 0 , the polarisation is a) Elliptical b) Circular c) Linear d) Perpendicular
Last Answer : c) Linear
Description : Brewster angle is valid for which type of polarisation? a) Perpendicular b) Parallel c) S polarised d) P polarised
Last Answer : b) Parallel
Description : Find the potential due the dipole when the angle subtended by the two charges at the point P is perpendicular. a) 0 b) Unity c) ∞ d) -∞
Last Answer : a) 0
Description : To set out a parallel from a given inaccessible point to a given line AB, the following observations are made: Distance AB and angle PAM = a and angle PBA = b are measured where M is a point on the line BA produced. The ... cos b - cos a) (C) AB/(cot a - cot b) (D) AB/(cot a - cos b)
Last Answer : (A) AB/(cot b - cot a)
Description : The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these
Last Answer : Answer: Option A
Description : If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying (A) Sine of the angle of inclination with vertical (B) Cosine of the angle of inclination with vertical (C) Tangent of the angle of inclination with vertical (D) Calibration coefficient of the gauge
Last Answer : Answer: Option B
Description : Tandem disc Harrow is a disc Harrow comprising of four gangs in which each gang can be angle in… direction. a. Angular c. Parallel b. Opposite. d. Perpendicular
Last Answer : Opposite
Description : When a uniform magnetic field B is applied to a current carrying coil, the coil will rotate in such a manner that its plane a) becomes parallel to B b) becomes anti-parallel to B c) makes an angle of 600 with B d) becomes perpendicular to B
Last Answer : d) becomes perpendicular to B
Description : A proton having mass m and charge q is projected into a region having a perpendicular magnetic field. The angle of deviation of proton when it comes out of the region with mv √2 qB ⁄ is a) π/3 b) π/4 c) π/6 d) 2 π/3
Last Answer : b) π/4
Description : In Fraunhofer diffraction pattern for single slit, a central maximum is obtained when angle of diffraction q is equal to zero. What it actually indicates? A. All the diffracted rays are parallel and focused ... are diffracted by the slit in all the directions D. The rays are reflected by the slit
Last Answer : A. All the diffracted rays are parallel and focused by slit at a single point on screen
Description : Angle of crossing of a bridge is the angle between a) C.L. of water course/road to C.L. of track* b) C.L. of water course to C.L. of pier c) C.L. of water course to normal (perpendicular) of C.L. of track d) C.L. of abutment to C.L. of pier
Last Answer : a) C.L. of water course/road to C.L. of track*
Description : Skew of a bridge is the angle between a) C.L. of water course to C.L. of track b) C.L. of water course to C.L. of pier c) C.L. of water course/road to normal (perpendicular) of C.L. of track* d) C.L. of abutment to C.L. of pier
Last Answer : c) C.L. of water course/road to normal (perpendicular) of C.L. of track*
Description : To hear a clear resonance, what must be the distance between the listener and the reflector? -General Knowledge
Last Answer : answer:
Description : What is the minimum distance between the reflector and the source to hear the echo? ?
Last Answer : The minimum distance between the reflector and the source to hear the echo is 18.6 meters.
Description : What is the difference between reflex and reflector telescope ?
Last Answer : refractive telescope 1. This device uses two or three convex lenses or one convex lens and one concave lens to form reflection through refraction. 2. The color of the reflection in this device is ... 5. It is relatively easy to make mirrors for large children. . The scattering capacity is high.
Description : What is the midpoint of the reflector surface of a spherical mirror called ?
Last Answer : The center point of the reflecting surface of a spherical mirror is called pole.
Description : Horn-Fed Cassegrain reflector antenna
Last Answer : Design Horn-Fed Cassegrain reflector antenna for operating frequency, gain, beam width, dish ... Provide proper citations and references in write-up
Description : To hear a clear echo, the distance between the listener and the reflector should be
Last Answer : 17 METER
Description : Which nuclear reactor uses water as a coolant, moderator and reflector ?
Last Answer : Pressurised water reactor.
Description : Which of the following improves antenna directivity? A. Driven element B. Reflector element C. Director element D. Parasitic element
Last Answer : D. Parasitic element
Description : A dipole antenna requires to be fed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11kW ... Gain referred to this particular dipole). A. 4.75 B. 2.6 C. 1.81 D. 4.24
Last Answer : B. 2.6
Description : The main function of a communications satellite is a/ an A. repeater B. reflector C. beacon D. observation platform
Last Answer : A. repeater
Description : Which of the following is the basic component of a communications satellite receiver? A. On-board computer B. Reflector C. Telemetry D. Transponder
Last Answer : D. Transponder
Description : Known as the technique for adding a series inductor at or near the center of an antenna element in order to cancel the capacitive reactance of an antenna. A. Dipole B. Center loading C. Reflector D. loading coil
Last Answer : D. loading coil
Description : The reflector and director of an antenna array are considered as A. Parasitic elements B. Transcendental elements C. Feed-points D. Driven elements
Last Answer : A. Parasitic elements
Description : A dipole antenna requires to be feed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11 ... ( Gain referred to this particular dipole) A. 4.24 B. 1.81 C. 4.75 D. 2.6
Last Answer : D. 2.6
Description : A type of array antenna which consists of one half-wave driven dipole, one reflector and one director A. Hertzian dipole B. Yagi-uda C. Broadside collinear D. Log periodic dipole array
Last Answer : B. Yagi-uda
Description : ECE Board Exam March 1996 An antenna that is circularly polarized is the ____________. A. parabolic reflector B. helical C. Yagi-uda D. small circular loop
Last Answer : B. helical
Description : A concave mirror cannot be used as : (a) a magnifying mirror (b) a torch reflector (c) a dentist‘s mirror (d) a rear view mirror
Last Answer : (c) a dentist‘s mirror
Description : A perfect conductor acts as a a) Perfect transmitter b) Perfect reflector c) Bad transmitter d) Bad reflector
Last Answer : b) Perfect reflector
Description : A perfect dielectric acts as a a) Perfect transmitter b) Perfect reflector c) Bad transmitter d) Bad reflector
Last Answer : a) Perfect transmitter